diff --git a/src/components/App/__snapshots__/App.test.js.snap b/src/components/App/__snapshots__/App.test.js.snap
index c2d990a..02bd570 100644
--- a/src/components/App/__snapshots__/App.test.js.snap
+++ b/src/components/App/__snapshots__/App.test.js.snap
@@ -4445,7 +4445,7 @@ exports[`App Route /package-deploy authenticated 1`] = `
                                   class="MuiIconButton-label"
                                 >
                                   <input
-                                    aria-label="select all desserts"
+                                    aria-label="select all items"
                                     class="PrivateSwitchBase-input-0"
                                     data-indeterminate="false"
                                     type="checkbox"
@@ -5383,7 +5383,7 @@ exports[`App Route /package-status authenticated 1`] = `
                             class="MuiIconButton-label"
                           >
                             <input
-                              aria-label="select all desserts"
+                              aria-label="select all items"
                               class="PrivateSwitchBase-input-0"
                               data-indeterminate="false"
                               type="checkbox"
@@ -6567,7 +6567,7 @@ exports[`App Route /packages authenticated 1`] = `
                           class="MuiIconButton-label"
                         >
                           <input
-                            aria-label="select all desserts"
+                            aria-label="select all items"
                             class="PrivateSwitchBase-input-0"
                             data-indeterminate="false"
                             type="checkbox"
@@ -12656,7 +12656,7 @@ exports[`App Route /vehicles authenticated 1`] = `
                             class="MuiIconButton-label"
                           >
                             <input
-                              aria-label="select all desserts"
+                              aria-label="select all items"
                               class="PrivateSwitchBase-input-0"
                               data-indeterminate="false"
                               type="checkbox"
diff --git a/src/components/BulkActions/Modal.jsx b/src/components/BulkActions/Modal.jsx
index 5fe05c1..308d37c 100644
--- a/src/components/BulkActions/Modal.jsx
+++ b/src/components/BulkActions/Modal.jsx
@@ -12,7 +12,10 @@ export const Modal = ({
   submit,
   title,
   children,
+  hideSubmit,
 }) => {
+  const closeLabel = hideSubmit ? "Close" : "Cancel";
+
   return (
     <Dialog
       open={open}
@@ -28,16 +31,16 @@ export const Modal = ({
         <Button
           onClick={close}
         >
-          Cancel
+          {closeLabel}
         </Button>
-        <Button
+        {!hideSubmit && <Button
           variant="contained"
           color="secondary"
           onClick={submit}
           autoFocus
         >
           Submit
-        </Button>
+        </Button>}
       </DialogActions>
     </Dialog>
   )
diff --git a/src/components/BulkActions/actions/Diagnostic.jsx b/src/components/BulkActions/actions/Diagnostic.jsx
new file mode 100644
index 0000000..d00476b
--- /dev/null
+++ b/src/components/BulkActions/actions/Diagnostic.jsx
@@ -0,0 +1,120 @@
+import { forwardRef, useImperativeHandle, useState, useEffect } from "react";
+import {
+  FormControl,
+  InputLabel,
+  Select,
+} from "@material-ui/core";
+import api from "../../../services/vehiclesAPI";
+import TaskRunner from "../../../utils/taskRunner";
+import { AllECUsCommand } from "../../Controls/SendDiagnosticCommand";
+import useStyles from "../../useStyles";
+import { useStatusContext } from "../../Contexts/StatusContext";
+import { useUserContext } from "../../Contexts/UserContext";
+import unionIntersect from "../../../utils/unionIntersect";
+
+const commands = [
+  { val: "remote_reset", displayname: "Remote Reset" },
+];
+
+async function getECUsByVINs(vins, token) {
+  return new Promise((resolve, reject) => {
+    const taskRunner = new TaskRunner(10, vins.length);
+
+    const task = (vin) => {
+      return async () => api.getECUs({ vin, unique: true }, token)
+        .then((result) => {
+          if (result.total === 0) {
+            reject([]);
+          }
+          return result.data.map(({ ecu }) => ecu);
+        })
+        .catch(() => reject([]));
+    }
+
+    vins.forEach((vin) => {
+      taskRunner.push(task(vin));
+    });
+
+    taskRunner.onComplete().then((results) => {
+      const ecus = unionIntersect(...results);
+      resolve(ecus.map(ecu => ({ ecu })));
+    });
+  });
+}
+
+export default forwardRef(({
+  ids,
+  idCSV,
+}, ref) => {
+  const [ecus, setECUs] = useState([{ ecu: "TBOX" }]);
+  const [currentECU, setCurrentECU] = useState("");
+  const [validateECUs, setValidateECUs] = useState(false);
+  const [command, setCommand] = useState("");
+  const classes = useStyles();
+  const { setMessage } = useStatusContext();
+  const { token: { idToken: { jwtToken: token } } } = useUserContext();
+
+  useImperativeHandle(ref, () => ({
+    async submit() {
+      if (!validateECUs) {
+        return Promise.reject("Invalid ECUs found, cannot submit");
+      }
+
+      return api.sendDiagnosticCommand(ids, {
+        command,
+        ecu_name: currentECU,
+      }, token)
+        .then(() => {
+          setMessage(`Sent ${command} command to ${ids.length} vehicles.`);
+        })
+        .catch(() => {
+          setMessage(`Failed to send ${command} command.`);
+        });
+    }
+  }));
+
+  const handleSelectCommand = (e) => {
+    setCommand(e.target.value);
+  };
+
+  useEffect(() => {
+    async function fetchData() {
+      setValidateECUs(false);
+      const ecus = await getECUsByVINs(ids, token);
+      setECUs(() => [{ ecu: "TBOX" }, ...ecus]); // TBOX is a hardcoded ECU
+    }
+    fetchData();
+  }, [ids, token]);
+
+  useEffect(() => {
+    setValidateECUs(true);
+  }, [ecus]);
+
+  return (
+    <div>
+      <p>
+        Attempt to send a vehicle diagnostic command to the following VINs: {idCSV}.
+      </p>
+      <AllECUsCommand classes={classes} ecus={ecus} currentECU={currentECU} setCurrentECU={setCurrentECU} />
+
+      <FormControl className={classes.formControl} variant="outlined" size="small" margin="normal">
+        <InputLabel htmlFor="send-command" className={classes.whiteBackground}>
+          Diagnostic Command
+        </InputLabel>
+        <Select native variant="outlined"
+          inputProps={{
+            name: "send-command",
+            id: "send-command",
+          }}
+          onChange={handleSelectCommand}
+        >
+          {commands.map((command, index) => (
+            <option key={index} value={command.val}>
+              {command.displayname}
+            </option>
+          ))}
+        </Select>
+      </FormControl>
+    </div>
+  );
+});
\ No newline at end of file
diff --git a/src/components/BulkActions/actions/Diagnostic.test.jsx b/src/components/BulkActions/actions/Diagnostic.test.jsx
new file mode 100644
index 0000000..9fb3617
--- /dev/null
+++ b/src/components/BulkActions/actions/Diagnostic.test.jsx
@@ -0,0 +1,42 @@
+jest.mock("../../Contexts/UserContext");
+jest.mock("../../Contexts/StatusContext");
+jest.mock("../../../services/vehiclesAPI");
+
+import React from "react";
+import {
+  render,
+  act,
+} from "@testing-library/react";
+import { UserProvider, setToken } from "../../Contexts/UserContext";
+import { StatusProvider } from "../../Contexts/StatusContext";
+import { TEST_AUTH_OBJECT_FISKER } from "../../../utils/testing";
+import Diagnostic from "./Diagnostic";
+import vehiclesAPI from "../../../services/vehiclesAPI";
+
+describe("BulkActions/DeleteVehicles", () => {
+  beforeAll(() => {
+    setToken(TEST_AUTH_OBJECT_FISKER);
+  });
+
+  it("makes request to send remote command", async () => {
+    const sendDiagnosticCommand = jest.spyOn(vehiclesAPI, "sendDiagnosticCommand");
+    const getECUs = jest.spyOn(vehiclesAPI, "getECUs");
+    const ref = React.createRef();
+
+    render(
+      <StatusProvider>
+        <UserProvider>
+          <Diagnostic
+            ref={ref}
+            ids={["TESTVIN123456789a", "TESTVIN123456789b", "TESTVIN123456789c"]}
+            idCSV=""
+          />
+        </UserProvider>
+      </StatusProvider>
+    );
+
+    await act(async () => ref.current.submit());
+    expect(sendDiagnosticCommand).toHaveBeenCalledTimes(1);
+    expect(getECUs).toHaveBeenCalledTimes(3);
+  });
+});
diff --git a/src/components/BulkActions/actions/RemoteCommand.jsx b/src/components/BulkActions/actions/RemoteCommand.jsx
new file mode 100644
index 0000000..cf8b947
--- /dev/null
+++ b/src/components/BulkActions/actions/RemoteCommand.jsx
@@ -0,0 +1,20 @@
+import { forwardRef } from "react";
+import { VehicleProvider } from "../../Contexts/VehicleContext";
+import SendCommand from "../../Controls/SendCommand";
+
+export default forwardRef(({
+  ids,
+  idCSV,
+}) => {
+
+  return (
+    <div>
+      <p>
+        Send a remote command to the following VINs: {idCSV}.
+      </p>
+      <VehicleProvider>
+        <SendCommand vins={ids} />
+      </VehicleProvider>
+    </div>
+  );
+});
\ No newline at end of file
diff --git a/src/components/BulkActions/index.jsx b/src/components/BulkActions/index.jsx
index 2b50dd8..23d82e0 100644
--- a/src/components/BulkActions/index.jsx
+++ b/src/components/BulkActions/index.jsx
@@ -14,6 +14,8 @@ const UpdateConfig = lazy(() => import("./actions/UpdateConfig"));
 const SendSMS = lazy(() => import("./actions/SendSMS"));
 const Cancel = lazy(() => import("./actions/Cancel"));
 const Redeploy = lazy(() => import("./actions/Redeploy"));
+const RemoteCommand = lazy(() => import("./actions/RemoteCommand"));
+const Diagnostic = lazy(() => import("./actions/Diagnostic"));
 
 export default function BulkActions({
   ids = [],
@@ -22,6 +24,7 @@ export default function BulkActions({
   const [open, setOpen] = useState(false);
   const [title, setTitle] = useState("Action");
   const [active, setActive] = useState(null);
+  const [embedded, setEmbedded] = useState(false); // If the "submit" is embedded in the linked component
   const activeRef = useRef();
   const { groups, providers } = useUserContext();
 
@@ -67,6 +70,19 @@ export default function BulkActions({
       name: "Redploy Updates",
       disabled: false,
       trigger: () => setActive("redeploy"),
+    },
+    {
+      id: "remoteCommand",
+      name: "Send Command",
+      disabled: false,
+      trigger: () => setActive("remoteCommand"),
+      embedded: true,
+    },
+    {
+      id: "diagnostic",
+      name: "Send Diagnostic",
+      disabled: false, // TODO set role
+      trigger: () => setActive("diagnostic"),
     }
   ].filter((action) => actions.includes(action.id));
 
@@ -77,16 +93,20 @@ export default function BulkActions({
   };
 
   const handleClose = () => {
-    setOpen(false).then(() => setActive(null));
+    setOpen(false);
   }
 
   const handleSubmit = () => {
-    activeRef.current.submit();
+    if (activeRef.current.submit) {
+      activeRef.current.submit();
+    }
     handleClose();
   }
 
   useEffect(() => {
-    setTitle(filteredActions.find((action) => active === action.id)?.name || "Action");
+    const action = filteredActions.find((action) => active === action.id);
+    setTitle(action?.name || "Action");
+    setEmbedded(action?.embedded);
   }, [active, filteredActions]);
 
   if (!ids || ids.length === 0) return <></>;
@@ -99,6 +119,7 @@ export default function BulkActions({
         open={open}
         close={handleClose}
         submit={handleSubmit}
+        hideSubmit={embedded}
       >
         <Suspense fallback={<div>Loading...</div>}>
           <section>
@@ -109,6 +130,8 @@ export default function BulkActions({
             {active === "sms" && <SendSMS {...payload} />}
             {active === "cancel" && <Cancel {...payload} />}
             {active === "redeploy" && <Redeploy {...payload} />}
+            {active === "remoteCommand" && <RemoteCommand {...payload} />}
+            {active === "diagnostic" && <Diagnostic {...payload} />}
           </section>
         </Suspense>
       </Modal>
diff --git a/src/components/Cars/List/__snapshots__/index.test.jsx.snap b/src/components/Cars/List/__snapshots__/index.test.jsx.snap
index 1c5b5f3..2b53f6d 100644
--- a/src/components/Cars/List/__snapshots__/index.test.jsx.snap
+++ b/src/components/Cars/List/__snapshots__/index.test.jsx.snap
@@ -150,7 +150,7 @@ exports[`VehicleTable Render 1`] = `
                           class="MuiIconButton-label"
                         >
                           <input
-                            aria-label="select all desserts"
+                            aria-label="select all items"
                             class="PrivateSwitchBase-input-0"
                             data-indeterminate="false"
                             type="checkbox"
diff --git a/src/components/Controls/SendDiagnosticCommand/index.jsx b/src/components/Controls/SendDiagnosticCommand/index.jsx
index 307d8ba..4c5b999 100644
--- a/src/components/Controls/SendDiagnosticCommand/index.jsx
+++ b/src/components/Controls/SendDiagnosticCommand/index.jsx
@@ -186,7 +186,7 @@ const SendDiagnosticCommand = ({ vin, token, classes }) => {
   );
 };
 
-const AllECUsCommand = ({ classes, ecus, currentECU, setCurrentECU }) => {
+export const AllECUsCommand = ({ classes, ecus, currentECU, setCurrentECU }) => {
   return (
     <FormControl
       className={classes.formControl}
diff --git a/src/components/Fleets/Status/Vehicles/Add/__snapshots__/index.test.jsx.snap b/src/components/Fleets/Status/Vehicles/Add/__snapshots__/index.test.jsx.snap
index 47acd83..3238985 100644
--- a/src/components/Fleets/Status/Vehicles/Add/__snapshots__/index.test.jsx.snap
+++ b/src/components/Fleets/Status/Vehicles/Add/__snapshots__/index.test.jsx.snap
@@ -96,7 +96,7 @@ exports[`FleetVehicleAdd Render 1`] = `
                             class="MuiIconButton-label"
                           >
                             <input
-                              aria-label="select all desserts"
+                              aria-label="select all items"
                               class="PrivateSwitchBase-input-0"
                               data-indeterminate="false"
                               type="checkbox"
diff --git a/src/components/Fleets/Status/Vehicles/Table/__snapshots__/index.test.jsx.snap b/src/components/Fleets/Status/Vehicles/Table/__snapshots__/index.test.jsx.snap
index 4511aac..3e290d6 100644
--- a/src/components/Fleets/Status/Vehicles/Table/__snapshots__/index.test.jsx.snap
+++ b/src/components/Fleets/Status/Vehicles/Table/__snapshots__/index.test.jsx.snap
@@ -39,11 +39,11 @@ exports[`FleetVehiclesTable Render 1`] = `
                 </a>
               </div>
               <div
-                class="MuiGrid-root MuiGrid-item MuiGrid-grid-md-3"
+                class="MuiGrid-root MuiGrid-item MuiGrid-grid-md-4"
               />
               <div
                 align="right"
-                class="MuiGrid-root makeStyles-textCenterAlign-0 MuiGrid-item MuiGrid-grid-md-8"
+                class="MuiGrid-root makeStyles-textCenterAlign-0 MuiGrid-item MuiGrid-grid-md-7"
               >
                 <div
                   class="MuiFormControl-root makeStyles-margin-0 makeStyles-fullWidth-0"
@@ -118,7 +118,7 @@ exports[`FleetVehiclesTable Render 1`] = `
                         class="MuiIconButton-label"
                       >
                         <input
-                          aria-label="select all desserts"
+                          aria-label="select all items"
                           class="PrivateSwitchBase-input-0"
                           data-indeterminate="false"
                           type="checkbox"
diff --git a/src/components/Fleets/Status/Vehicles/Table/index.jsx b/src/components/Fleets/Status/Vehicles/Table/index.jsx
index aa38602..79b6ec1 100644
--- a/src/components/Fleets/Status/Vehicles/Table/index.jsx
+++ b/src/components/Fleets/Status/Vehicles/Table/index.jsx
@@ -209,10 +209,10 @@ const MainForm = ({ name }) => {
             <AddCircleIcon fontSize="large" />
           </Link>
         </Grid>
-        <Grid item md={3}>
-          <BulkActions ids={selected} actions={["addTags", "deleteVehicles", "sms", "updateConfig"]} />
+        <Grid item md={4}>
+          <BulkActions ids={selected} actions={["addTags", "deleteVehicles", "sms", "updateConfig", "remoteCommand", "diagnostic"]} />
         </Grid>
-        <Grid item md={8} align="right" className={classes.textCenterAlign}>
+        <Grid item md={7} align="right" className={classes.textCenterAlign}>
           <SearchField classes={classes} onSearch={handleSearch} />
         </Grid>
       </Grid>
diff --git a/src/components/Fleets/Status/__snapshots__/VehiclesTab.test.jsx.snap b/src/components/Fleets/Status/__snapshots__/VehiclesTab.test.jsx.snap
index 54bf98f..5aec244 100644
--- a/src/components/Fleets/Status/__snapshots__/VehiclesTab.test.jsx.snap
+++ b/src/components/Fleets/Status/__snapshots__/VehiclesTab.test.jsx.snap
@@ -38,11 +38,11 @@ exports[`VehiclesTab Render 1`] = `
             </a>
           </div>
           <div
-            class="MuiGrid-root MuiGrid-item MuiGrid-grid-md-3"
+            class="MuiGrid-root MuiGrid-item MuiGrid-grid-md-4"
           />
           <div
             align="right"
-            class="MuiGrid-root makeStyles-textCenterAlign-0 MuiGrid-item MuiGrid-grid-md-8"
+            class="MuiGrid-root makeStyles-textCenterAlign-0 MuiGrid-item MuiGrid-grid-md-7"
           >
             <div
               class="MuiFormControl-root makeStyles-margin-0 makeStyles-fullWidth-0"
@@ -117,7 +117,7 @@ exports[`VehiclesTab Render 1`] = `
                     class="MuiIconButton-label"
                   >
                     <input
-                      aria-label="select all desserts"
+                      aria-label="select all items"
                       class="PrivateSwitchBase-input-0"
                       data-indeterminate="false"
                       type="checkbox"
diff --git a/src/components/Suppliers/List/__snapshots__/index.test.jsx.snap b/src/components/Suppliers/List/__snapshots__/index.test.jsx.snap
index 054ef55..7691935 100644
--- a/src/components/Suppliers/List/__snapshots__/index.test.jsx.snap
+++ b/src/components/Suppliers/List/__snapshots__/index.test.jsx.snap
@@ -275,7 +275,12 @@ exports[`Suppliers page Render 1`] = `
                 <td
                   class="MuiTableCell-root MuiTableCell-body MuiTableCell-alignCenter"
                 >
-                  ADAS
+                  <span
+                    class="makeStyles-truncateCell-0"
+                    title="ADAS"
+                  >
+                    ADAS
+                  </span>
                 </td>
                 <td
                   class="MuiTableCell-root MuiTableCell-body MuiTableCell-alignCenter"
@@ -326,7 +331,12 @@ exports[`Suppliers page Render 1`] = `
                 <td
                   class="MuiTableCell-root MuiTableCell-body MuiTableCell-alignCenter"
                 >
-                  ICC, BCM
+                  <span
+                    class="makeStyles-truncateCell-0"
+                    title="ICC, BCM"
+                  >
+                    ICC, BCM
+                  </span>
                 </td>
                 <td
                   class="MuiTableCell-root MuiTableCell-body MuiTableCell-alignCenter"
@@ -377,7 +387,12 @@ exports[`Suppliers page Render 1`] = `
                 <td
                   class="MuiTableCell-root MuiTableCell-body MuiTableCell-alignCenter"
                 >
-                  BCM
+                  <span
+                    class="makeStyles-truncateCell-0"
+                    title="BCM"
+                  >
+                    BCM
+                  </span>
                 </td>
                 <td
                   class="MuiTableCell-root MuiTableCell-body MuiTableCell-alignCenter"
@@ -403,7 +418,7 @@ exports[`Suppliers page Render 1`] = `
               >
                 <td
                   class="MuiTableCell-root MuiTableCell-footer MuiTablePagination-root"
-                  colspan="7"
+                  colspan="9"
                 >
                   <div
                     class="MuiToolbar-root MuiToolbar-regular MuiTablePagination-toolbar MuiToolbar-gutters"
diff --git a/src/components/Suppliers/Table/index.jsx b/src/components/Suppliers/Table/index.jsx
index a356f7c..5e8d47e 100644
--- a/src/components/Suppliers/Table/index.jsx
+++ b/src/components/Suppliers/Table/index.jsx
@@ -8,6 +8,7 @@ import {
   TableFooter,
   TablePagination,
   TableRow,
+  Tooltip,
 } from "@material-ui/core";
 import clsx from "clsx";
 
@@ -128,6 +129,7 @@ const SupplierTable = (props) => {
         />
         <TableBody>
           {suppliers.map((row, index) => {
+            const ecuList = row.ecus.join(", ");
             return (
               <TableRow key={index}>
                 <TableCell align="center">
@@ -138,7 +140,13 @@ const SupplierTable = (props) => {
                   <a href={`mailto:${row.email}`}>{row.email}</a>
                 </TableCell>
                 <TableCell align="center">{row.program}</TableCell>
-                <TableCell align="center">{row.ecus.join(", ")}</TableCell>
+                <TableCell align="center">
+                  <Tooltip title={ecuList}>
+                    <span className={classes.truncateCell}>
+                      {ecuList}
+                    </span>
+                  </Tooltip>
+                </TableCell>
                 <TableCell align="center">
                   {LocalDateTimeString(row.created)}
                 </TableCell>
@@ -159,7 +167,7 @@ const SupplierTable = (props) => {
           <TableRow>
             <TablePagination
               rowsPerPageOptions={[5, 10, 25, 100]}
-              colSpan={7}
+              colSpan={9}
               count={totalSuppliers}
               rowsPerPage={pageSize}
               page={pageIndex}
diff --git a/src/components/Table/HeaderSortable/index.jsx b/src/components/Table/HeaderSortable/index.jsx
index c0b0b4a..e1d24c6 100644
--- a/src/components/Table/HeaderSortable/index.jsx
+++ b/src/components/Table/HeaderSortable/index.jsx
@@ -74,7 +74,7 @@ const HeaderSortable = (props) => {
               indeterminate={selectCount > 0 && selectCount < rowCount}
               checked={rowCount > 0 && selectCount === rowCount}
               onChange={selectAllHandler}
-              inputProps={{ "aria-label": "select all desserts" }}
+              inputProps={{ "aria-label": "select all items" }}
             />
           </TableCell>
         )}
diff --git a/src/services/__mocks__/vehiclesAPI.js b/src/services/__mocks__/vehiclesAPI.js
index c5d6181..966dd3f 100644
--- a/src/services/__mocks__/vehiclesAPI.js
+++ b/src/services/__mocks__/vehiclesAPI.js
@@ -195,7 +195,10 @@ const vehiclesAPI = {
       }
     ],
     "total": 2
-  })
+  }),
+  sendDiagnosticCommand: async (search) => ({
+    Message: `remote diagnostic command sent to ${search.vins.length} vehicles`
+  }),
 };
 
 export default vehiclesAPI;
diff --git a/src/utils/unionIntersect.js b/src/utils/unionIntersect.js
new file mode 100644
index 0000000..124fddf
--- /dev/null
+++ b/src/utils/unionIntersect.js
@@ -0,0 +1,16 @@
+export default function unionIntersect(...arrays) {
+  if (arrays.length === 0) return [];
+  if (arrays.length === 1) return arrays[0];
+
+  const result = [];
+  const sets = arrays.slice(1).map(array => new Set(array));
+
+  // TODO: Use a priority queue
+  arrays[0].forEach((value) => {
+    if (sets.every(set => set.has(value))) {
+      result.push(value);
+    }
+  });
+
+  return result;
+}
\ No newline at end of file
diff --git a/src/utils/unionIntersect.test.js b/src/utils/unionIntersect.test.js
new file mode 100644
index 0000000..b12365c
--- /dev/null
+++ b/src/utils/unionIntersect.test.js
@@ -0,0 +1,93 @@
+import unionIntersect from "./unionIntersect";
+
+const tests = [
+  [
+    "merges identical arrays",
+    [
+      [1, 2, 3, 4, 5],
+      [1, 2, 3, 4, 5],
+      [1, 2, 3, 4, 5],
+    ],
+    [1, 2, 3, 4, 5],
+  ],
+  [
+    "merges arrays with smaller initial array",
+    [
+      [1, 2, 4, 5],
+      [1, 2, 3, 4, 5],
+      [1, 2, 3, 4, 5],
+    ],
+    [1, 2, 4, 5],
+  ],
+  [
+    "merges arrays with larger initial array",
+    [
+      [1, 2, 3, 4, 5, 6, 7],
+      [1, 2, 3, 4, 5],
+      [1, 2, 3, 4, 5],
+    ],
+    [1, 2, 3, 4, 5],
+  ],
+  [
+    "merges arrays with empty initial array",
+    [
+      [],
+      [1, 2, 3, 4, 5],
+      [1, 2, 3, 4, 5],
+    ],
+    [],
+  ],
+  [
+    "merges arrays with empty array",
+    [
+      [1, 2, 3, 4, 5],
+      [],
+      [1, 2, 3, 4, 5],
+    ],
+    [],
+  ],
+  [
+    "merges arrays with empty array",
+    [
+      [1, 2, 3, 4, 5],
+      [],
+      [1, 2, 3, 4, 5],
+    ],
+    [],
+  ],
+  [
+    "merges arrays with no overlap",
+    [
+      [1, 2, 3],
+      [4, 5, 6],
+      [7, 8, 9],
+    ],
+    [],
+  ],
+  [
+    "merges arrays with some overlap",
+    [
+      [1, 2, 3, 4, 5, 6],
+      [4, 5, 6, 7, 8, 9],
+      [6, 7, 8, 9, 10, 11, 12],
+    ],
+    [6],
+  ],
+  [
+    "does not support objects",
+    [
+      [{ key: "value" }, { key: "value2" }],
+      [{ key: "value" }, { key: "value3" }],
+      [{ key: "value" }, { key: "value4" }],
+    ],
+    [],
+  ],
+];
+
+describe("unionIntersect", () => {
+  tests.forEach(([desc, arrays, expected]) => {
+    it(desc, () => {
+      expect(unionIntersect(...arrays)).toStrictEqual(expected);
+    });
+  });
+});