[Fixed Position] Update failing specs

Update existing tests to account for changes from WTD-880.

platform/features/layout/test/FixedControllerSpec.js

@@ -7,6 +7,8 @@ define(
 
         describe("The Fixed Position controller", function () {
             var mockScope,
+                mockQ,
+                mockDialogService,
                 mockSubscriber,
                 mockFormatter,
                 mockDomainObject,
@@ -58,6 +60,11 @@ define(
                     'telemetrySubscriber',
                     [ 'subscribe' ]
                 );
+                mockQ = jasmine.createSpyObj('$q', ['when']);
+                mockDialogService = jasmine.createSpyObj(
+                    'dialogService',
+                    ['getUserInput']
+                );
                 mockFormatter = jasmine.createSpyObj(
                     'telemetryFormatter',
                     [ 'formatDomainValue', 'formatRangeValue' ]
@@ -99,6 +106,8 @@ define(
 
                 controller = new FixedController(
                     mockScope,
+                    mockQ,
+                    mockDialogService,
                     mockSubscriber,
                     mockFormatter
                 );

platform/features/layout/test/FixedProxySpec.js

@@ -6,12 +6,28 @@ define(
         "use strict";
 
         describe("Fixed Position view's selection proxy", function () {
-            it("has a placeholder message when clicked", function () {
-                var oldAlert = window.alert;
-                window.alert = jasmine.createSpy('alert');
-                new FixedProxy({}).add('');
-                expect(window.alert).toHaveBeenCalledWith(jasmine.any(String));
-                window.alert = oldAlert;
+            var mockCallback,
+                mockQ,
+                mockDialogService,
+                mockPromise,
+                proxy;
+
+            beforeEach(function () {
+                mockCallback = jasmine.createSpy('callback');
+                mockQ = jasmine.createSpyObj('$q', ['when']);
+                mockDialogService = jasmine.createSpyObj('dialogService', ['getUserInput']);
+                mockPromise = jasmine.createSpyObj('promise', ['then']);
+
+                mockQ.when.andReturn(mockPromise);
+
+                proxy = new FixedProxy(mockCallback, mockQ, mockDialogService);
+            });
+
+            it("handles promised element creation", function () {
+                // The element factory may return promises (e.g. if
+                // user input is required) so make sure proxy is wrapping these
+                proxy.add("fixed.box");
+                expect(mockQ.when).toHaveBeenCalled();
             });
         });
     }

platform/features/layout/test/elements/ElementProxiesSpec.js

@@ -5,8 +5,13 @@ define(
     function (ElementProxies) {
         "use strict";
 
+        // Expect these element types to have proxies
         var ELEMENT_TYPES = [
-            "fixed.telemetry"
+            "fixed.telemetry",
+            "fixed.line",
+            "fixed.box",
+            "fixed.text",
+            "fixed.image"
         ];
 
         // Verify that the set of proxies exposed matches the specific