add tests ensuring forms pass correct value to CodeEditor fields

awx/ui_next/src/screens/Inventory/SmartInventoryEdit/SmartInventoryEdit.test.jsx

@@ -74,6 +74,10 @@ describe('<SmartInventoryEdit />', () => {
     wrapper.unmount();
   });
 
+  test('should render CodeEditor field', () => {
+    expect(wrapper.find('CodeEditor').prop('value')).toEqual('---');
+  });
+
   test('should fetch related instance groups on initial render', async () => {
     expect(InventoriesAPI.readInstanceGroups).toHaveBeenCalledTimes(1);
   });

awx/ui_next/src/screens/Inventory/shared/InventoryForm.test.jsx

@@ -94,6 +94,7 @@ describe('<InventoryForm />', () => {
       1
     );
     expect(wrapper.find('VariablesField[label="Variables"]').length).toBe(1);
+    expect(wrapper.find('CodeEditor').prop('value')).toEqual('---');
   });
 
   test('should update form values', async () => {

awx/ui_next/src/screens/NotificationTemplate/shared/NotificationTemplateForm.test.jsx

@@ -79,6 +79,33 @@ describe('<NotificationTemplateForm />', () => {
     ).toEqual(defaultMessages);
   });
 
+  test('should render custom messages fields', () => {
+    const wrapper = mountWithContexts(
+      <NotificationTemplateForm
+        template={{
+          ...template,
+          messages: {
+            started: {
+              message: 'Started',
+              body: null,
+            },
+          },
+        }}
+        defaultMessages={defaultMessages}
+        detailUrl="/notification_templates/3/detail"
+        onSubmit={jest.fn()}
+        onCancel={jest.fn()}
+      />
+    );
+
+    expect(
+      wrapper
+        .find('CodeEditor')
+        .at(0)
+        .prop('value')
+    ).toEqual('Started');
+  });
+
   test('should submit', async () => {
     const handleSubmit = jest.fn();
     const wrapper = mountWithContexts(