[Search] Update test for #1117 fix.

Changed test to work properly with #1117 fix.
Checks if checkAll gets checked when no options are checked.
Checks if changing checkAll updates the filter string to ''

Author: vankessel

platform/search/test/controllers/SearchMenuControllerSpec.js

@@ -83,7 +83,7 @@ define(
                 mockScope.ngModel.checkAll = false;
 
                 controller.checkAll();
-                expect(mockScope.ngModel.filtersString).toEqual('NONE');
+                expect(mockScope.ngModel.filtersString).toEqual('');
             });
 
             it("checking checkAll option resets other options", function () {
@@ -97,15 +97,16 @@ define(
                 });
             });
 
-            it("tells the user when no options are checked", function () {
+            it("checks checkAll when no options are checked", function () {
                 Object.keys(mockScope.ngModel.checked).forEach(function (type) {
                     mockScope.ngModel.checked[type] = false;
                 });
                 mockScope.ngModel.checkAll = false;
 
                 controller.updateOptions();
 
-                expect(mockScope.ngModel.filtersString).toEqual('NONE');
+                expect(mockScope.ngModel.filtersString).toEqual('');
+                expect(mockScope.ngModel.checkAll).toEqual(true);
             });
 
             it("tells the user when options are checked", function () {