[Entanglement] Verify revalidation

Verify that move/copy/link revalidate when performed and
throw errors when moving/copying/linking would be invalid.
nasa/openmctweb#98

platform/entanglement/test/services/CopyServiceSpec.js

@@ -285,6 +285,20 @@ define(
                     });
                 });
 
+                it("throws an expection when performed on invalid inputs", function () {
+                    var copyService =
+                        new CopyService(mockQ, creationService, policyService);
+
+                    function perform() {
+                        copyService.perform(object, newParent);
+                    }
+
+                    policyService.allow.andReturn(true);
+                    expect(perform).not.toThrow();
+                    policyService.allow.andReturn(false); // Cause validate to fail
+                    expect(perform).toThrow();
+                });
+
             });
         });
     }