[Common UI] Complete specs for edit mode

Add specs for remaining capabilities and capability
wrappers employed by Edit mode. Completes coverage
for bundle platform/commonUI/edit, which is being
transitioned along with other commonUI bundles in
WTD-574.

platform/commonUI/edit/test/capabilities/EditablePersistenceCapabilitySpec.js

@@ -6,6 +6,48 @@ define(
         "use strict";
 
         describe("An editable persistence capability", function () {
+            var mockPersistence,
+                mockEditableObject,
+                mockDomainObject,
+                mockCache,
+                capability;
+
+            beforeEach(function () {
+                mockPersistence = jasmine.createSpyObj(
+                    "persistence",
+                    [ "persist" ]
+                );
+                mockEditableObject = jasmine.createSpyObj(
+                    "editableObject",
+                    [ "getId", "getModel", "getCapability" ]
+                );
+                mockDomainObject = jasmine.createSpyObj(
+                    "editableObject",
+                    [ "getId", "getModel", "getCapability" ]
+                );
+                mockCache = jasmine.createSpyObj(
+                    "cache",
+                    [ "markDirty" ]
+                );
+
+                capability = new EditablePersistenceCapability(
+                    mockPersistence,
+                    mockEditableObject,
+                    mockDomainObject,
+                    mockCache
+                );
+            });
+
+            it("marks objects as dirty (in the cache) upon persist", function () {
+                capability.persist();
+                expect(mockCache.markDirty)
+                    .toHaveBeenCalledWith(mockEditableObject);
+            });
+
+            it("does not invoke the underlying persistence capability", function () {
+                capability.persist();
+                expect(mockPersistence.persist).not.toHaveBeenCalled();
+            });
 
         });
     }