function fnSetupTNTStyles() {
		// limit app to 80% screen size to see QUnit test results
		var oBody = document.body;
		oBody.style.width = "80%";
		oBody.style.left = "20%";
		oBody.style.position = "absolute";

		// set OPA component class
		if (!oBody.classList.contains("sapUiOpaBodyComponent")) {
			oBody.classList.add("sapUiOpaBodyComponent");
		}
	}
Manually set OPA styles when running test with the TNT toolpage.
 Function is executed after DOM is available