function handler(oEvent) {
			if ( ignoreEvent ) {
				return;
			}
			assert.ok(oEvent, "listener for 'applied' event is called");
			assert.equal(oEvent.theme, Theming.getTheme(), "Current theme is passed along 'applied' event");

			// cleanup
			Theming.detachApplied(handler);
			oCtrl.destroy();

			done();
		}
Tests that <code>Theming.notifyContentDensityChanged()</code> calls each control's #onThemeChanged method