fill out getWarningState() test

app/javascript/__tests__/validated_form.test.js

@@ -369,12 +369,24 @@ describe('NonDrivingContactMediumWarning', () => {
     let component
 
     beforeEach(() => {
-      component = new NonDrivingContactMediumWarning(validatedFormCollection.find('.contact-medium.form-group input:not([type=hidden]), #case_contact_miles_driven'), notifier)
+      component = new NonDrivingContactMediumWarning($('.contact-medium.form-group input:not([type=hidden]), #case_contact_miles_driven'), notifier)
     })
 
     test('returns the warning message if a non driving contact medium is selected and the miles driven count is > 0', (done) => {
       $(() => {
         try {
+          expect(nonDrivingOptions.length).toBeGreaterThan(0)
+
+          milesDrivenInput.val(1)
+
+          nonDrivingOptions.each(function () {
+            const option = $(this)
+
+            option.trigger('click')
+
+            expect(component.getWarningState()).toBe('You requested driving reimbursement for a contact medium that typically does not involve driving. Are you sure that\'s right?')
+          })
+
           done()
         } catch (error) {
           done(error)