CEC-287 Car connection status (#59) (#60)

* Car connection status

* Formatting

src/components/Contexts/__mocks__/VehicleContext.jsx

@@ -25,11 +25,20 @@ export const useVehicleContext = () => ({
   getYears: jest.fn(() => {
     years = [2023, 2024];
   }),
-  sendCommand: jest.fn((vin, command, parameters, token) => ({
-    vin,
+  sendCommand: jest.fn((vins, command, parameters, token) => ({
+    vins,
     command,
     parameters,
   })),
+  getConnections: jest.fn((vins, token) => {
+    const result = {};
+
+    vins.forEach((vin) => {
+      result[vin] = true;
+    });
+
+    return result;
+  }),
 });
 
 export const setBusy = (val) => {