Fix the import issues for antd 4.x tests

Signed-off-by: Artyom Vancyan <[email protected]>

Author: ArtyomVancyan

src/legacy/style.ts

@@ -0,0 +1,12 @@
+export default (cssText: string) => {
+	const style = document.createElement("style");
+	style.setAttribute("type", "text/css");
+
+	if ((style as any).styleSheet) {
+		(style as any).styleSheet.cssText = cssText;
+	} else {
+		style.appendChild(document.createTextNode(cssText));
+	}
+
+	document.head.appendChild(style);
+}