added unit test for auto selecting vehicle

src/layouts/policy-vehicles/policy-vehicles.spec.js

@@ -4,7 +4,6 @@ import { shallowMount } from "@vue/test-utils";
 import { getMountOptions } from "@/helpers/unit-test-helper.js";
 import { useMainStore } from "@/store";
 import { fetchCmsContentForPage } from "@/helpers/cms-content-helper";
-import {vehicleSelectionOptions} from "@/constants/vehicle-selection-options";
 import { navigationScenarios } from "@/router/router-constants/navigation-scenarios";
 
 // Mock fetchCmsContentForPage
@@ -33,17 +32,6 @@ describe("policy-vehicles.vue", () => {
         //Assert
         expect(wrapper.vm.$router.navigate).toBeCalled();
     });
-    test("Should navigate to CLICKED_BACK if backButtonAction is run", async () => {
-        // Arrange
-        const { wrapper } = setupMocks({});
-
-        // Act        
-        await wrapper.vm.backButtonAction();
-
-        //Assert
-        expect(wrapper.vm.$router.navigate).toBeCalled();
-    });
-
     test("Selected vehicle VIN do match vehicles listed in our system (CarIDs) found then navigate forward to vehicle-damage page.", async () => {
         //Arrange
         const { wrapper } = setupMocks({});
@@ -99,6 +87,16 @@ describe("policy-vehicles.vue", () => {
             {}            
         );
     });
+    test("first vehicle is auto-selected if only one vehicle on policy", async () => {
+        //Arrange
+        const { wrapper } = setupMocks({});
+
+        // Act    
+        await wrapper.vm.$nextTick();
+
+        // Assert
+        expect(wrapper.vm.selectedVehicleVin).toBe("5NMS3CADXLH233004");
+    });
 });
 
 function setupMocks({
@@ -109,15 +107,15 @@ function setupMocks({
     useMainStore().applicationUser = {
         pageData: {
             "policy-vehicles": 
-                [
-                    {                     
-                        vehicleMake: "Hyundai",
-                        vehicleModel: "Santa Fe",
-                        vehicleStyle: "4 door utility",
-                        vehicleYear: 2020,                        
-                        vin: "5NMS3CADXLH233004",    
-                    },
-                ],
+            [
+                {                     
+                    vehicleMake: "Hyundai",
+                    vehicleModel: "Santa Fe",
+                    vehicleStyle: "4 door utility",
+                    vehicleYear: 2020,                        
+                    vin: "5NMS3CADXLH233004",    
+                },
+            ],
         }
     };
     useMainStore().lookupVehicleByVin = jest.fn().mockImplementation(() => {