function handler(oEvent) {
			assert.ok(oEvent, "attachThemeChanged is called");
			assert.equal(oEvent.getParameter("theme"), Theming.getTheme(), "Default theme is passed along Core event");

			// cleanup
			oCore.detachThemeChanged(handler);
			oBtn.destroy();

			done();
		}
Tests that <code>sap.ui.getCore().notifyContentDensityChanged()</code> calls each control's #onThemeChanged method
@deprecated since 1.119, notifyContentDensityChanged is deprecated