diff --git a/src/app/+collection-page/edit-collection-page/collection-source/collection-source.component.spec.ts b/src/app/+collection-page/edit-collection-page/collection-source/collection-source.component.spec.ts
index 454634ebfc..89d7445b65 100644
--- a/src/app/+collection-page/edit-collection-page/collection-source/collection-source.component.spec.ts
+++ b/src/app/+collection-page/edit-collection-page/collection-source/collection-source.component.spec.ts
@@ -109,22 +109,30 @@ describe('CollectionSourceComponent', () => {
   });
 
   describe('on startup', () => {
+    let form;
+
+    beforeEach(() => {
+      form = fixture.debugElement.query(By.css('ds-form'));
+    });
+
     it('ContentSource should be disabled', () => {
       expect(comp.contentSource.enabled).toBe(false);
     });
 
-    it('the input-form should be disabled', () => {
-      expect(comp.formGroup.disabled).toBe(true);
+    it('the input-form should be hidden', () => {
+      expect(form).toBeNull();
     });
   });
 
   describe('when selecting the checkbox', () => {
     let input;
+    let form;
 
     beforeEach(() => {
       input = fixture.debugElement.query(By.css('#externalSourceCheck')).nativeElement;
       input.click();
       fixture.detectChanges();
+      form = fixture.debugElement.query(By.css('ds-form'));
     });
 
     it('should enable ContentSource', () => {
@@ -134,6 +142,10 @@ describe('CollectionSourceComponent', () => {
     it('should send a field update', () => {
       expect(objectUpdatesService.saveAddFieldUpdate).toHaveBeenCalledWith(router.url, comp.contentSource)
     });
+
+    it('should display the form', () => {
+      expect(form).not.toBeNull();
+    });
   });
 
   describe('isValid', () => {
@@ -155,4 +167,20 @@ describe('CollectionSourceComponent', () => {
       expect(comp.isValid()).toBe(true);
     });
   });
+
+  describe('onSubmit', () => {
+    beforeEach(() => {
+      comp.onSubmit();
+    });
+
+    it('should re-initialize the field updates', () => {
+      expect(objectUpdatesService.initialize).toHaveBeenCalled();
+    });
+
+    it('should display a success notification', () => {
+      expect(notificationsService.success).toHaveBeenCalled();
+    });
+
+    // TODO: Write test for sending data to REST API on submit
+  });
 });