Remove _legacyUndefinedCheck from the behavior test modules

Change-Id: I40fd57af6e2d422ebcad0116a0a9d44d995fad4f

polygerrit-ui/app/behaviors/base-url-behavior/base-url-behavior_test.html

@@ -54,7 +54,6 @@ limitations under the License.
       // Define a Polymer element that uses this behavior.
       Polymer({
         is: 'test-element',
-        _legacyUndefinedCheck: true,
         behaviors: [
           Gerrit.BaseUrlBehavior,
         ],

polygerrit-ui/app/behaviors/docs-url-behavior/docs-url-behavior_test.html

@@ -40,7 +40,6 @@ limitations under the License.
       // Define a Polymer element that uses this behavior.
       Polymer({
         is: 'docs-url-behavior-element',
-        _legacyUndefinedCheck: true,
         behaviors: [Gerrit.DocsUrlBehavior],
       });
     });

polygerrit-ui/app/behaviors/dom-util-behavior/dom-util-behavior_test.html

@@ -48,7 +48,6 @@ limitations under the License.
       // Define a Polymer element that uses this behavior.
       Polymer({
         is: 'test-element',
-        _legacyUndefinedCheck: true,
         behaviors: [Gerrit.DomUtilBehavior],
       });
     });

polygerrit-ui/app/behaviors/gr-access-behavior/gr-access-behavior_test.html

@@ -40,7 +40,6 @@ limitations under the License.
       // Define a Polymer element that uses this behavior.
       Polymer({
         is: 'test-element',
-        _legacyUndefinedCheck: true,
         behaviors: [Gerrit.AccessBehavior],
       });
     });

polygerrit-ui/app/behaviors/gr-admin-nav-behavior/gr-admin-nav-behavior_test.html

@@ -43,7 +43,6 @@ limitations under the License.
       // Define a Polymer element that uses this behavior.
       Polymer({
         is: 'test-element',
-        _legacyUndefinedCheck: true,
         behaviors: [
           Gerrit.AdminNavBehavior,
         ],

polygerrit-ui/app/behaviors/gr-change-table-behavior/gr-change-table-behavior_test.html

@@ -50,7 +50,6 @@ limitations under the License.
       // Define a Polymer element that uses this behavior.
       Polymer({
         is: 'test-element',
-        _legacyUndefinedCheck: true,
         behaviors: [Gerrit.ChangeTableBehavior],
       });
     });

polygerrit-ui/app/behaviors/gr-display-name-behavior/gr-display-name-behavior_test.html

@@ -46,7 +46,6 @@ limitations under the License.
       // Define a Polymer element that uses this behavior.
       Polymer({
         is: 'test-element-anon',
-        _legacyUndefinedCheck: true,
         behaviors: [
           Gerrit.DisplayNameBehavior,
         ],

polygerrit-ui/app/behaviors/gr-list-view-behavior/gr-list-view-behavior_test.html

@@ -42,7 +42,6 @@ limitations under the License.
       // Define a Polymer element that uses this behavior.
       Polymer({
         is: 'test-element',
-        _legacyUndefinedCheck: true,
         behaviors: [Gerrit.ListViewBehavior],
       });
     });

polygerrit-ui/app/behaviors/gr-tooltip-behavior/gr-tooltip-behavior_test.html

@@ -53,7 +53,6 @@ limitations under the License.
       // Define a Polymer element that uses this behavior.
       Polymer({
         is: 'tooltip-behavior-element',
-        _legacyUndefinedCheck: true,
         behaviors: [Gerrit.TooltipBehavior],
       });
     });

polygerrit-ui/app/behaviors/gr-url-encoding-behavior/gr-url-encoding-behavior_test.html

@@ -42,7 +42,6 @@ limitations under the License.
       // Define a Polymer element that uses this behavior.
       Polymer({
         is: 'test-element',
-        _legacyUndefinedCheck: true,
         behaviors: [Gerrit.URLEncodingBehavior],
       });
     });

polygerrit-ui/app/behaviors/keyboard-shortcut-behavior/keyboard-shortcut-behavior_test.html

@@ -52,7 +52,6 @@ limitations under the License.
       // Define a Polymer element that uses this behavior.
       Polymer({
         is: 'test-element',
-        _legacyUndefinedCheck: true,
         behaviors: [Gerrit.KeyboardShortcutBehavior],
         keyBindings: {
           k: '_handleKey',

polygerrit-ui/app/behaviors/rest-client-behavior/rest-client-behavior_test.html

@@ -56,7 +56,6 @@ limitations under the License.
       // Define a Polymer element that uses this behavior.
       Polymer({
         is: 'test-element',
-        _legacyUndefinedCheck: true,
         behaviors: [
           Gerrit.BaseUrlBehavior,
           Gerrit.RESTClientBehavior,

polygerrit-ui/app/behaviors/safe-types-behavior/safe-types-behavior_test.html

@@ -41,7 +41,6 @@ limitations under the License.
     suiteSetup(() => {
       Polymer({
         is: 'safe-types-element',
-        _legacyUndefinedCheck: true,
         behaviors: [Gerrit.SafeTypes],
       });
     });