async beforeEach(assert) {
			const oView = await XMLView.create({
				definition: '<mvc:View xmlns:mvc="sap.ui.core.mvc" xmlns:m="sap.m" xmlns:l="sap.ui.layout">' +
					'<l:VerticalLayout id="layout">' +
						'<m:Button text="Button 1" id="button1" />' +
					"</l:VerticalLayout>" +
				"</mvc:View>"
			});
			var fnDone = assert.async();
			var CustomComponent = UIComponent.extend("sap.ui.dt.test.Component", {
				createContent() {
					return new VerticalLayout({
						id: this.createId("layoutId"),
						content: [
							new Button(this.createId("buttonId")),
							new Button({
								text: "Missing stable id"
							}),
							oView
						]
					});
				}
			});
			this.oComponent = new CustomComponent(); // Missing ID

			this.oComponentContainer = new ComponentContainer("CompCont1", {
				component: this.oComponent
			});

			this.oComponentContainer.placeAt("qunit-fixture");
			await nextUIUpdate();

			Bootstrap.initSupportRules(["true", "silent"], {
				onReady: fnDone
			});
		}
@deprecated Since version 1.54. Due to <code>sap.ui.dt.ElementOverlay.getAggregationOverlays</code> deprecation