Add some attributes tests to react-tests and remove index signature from React.CSSProperties

react/react-tests.ts

@@ -115,6 +115,30 @@ var value: string = inputRef.getDOMNode<HTMLInputElement>().value;
 var myComponent = <MyComponent>compComponent;
 myComponent.reset();
 
+//
+// Attributes
+// --------------------------------------------------------------------------
+
+var divStyle = { // CSSProperties
+    flex: "1 1 main-size",
+    backgroundImage: "url('hello.png')"
+};
+var htmlAttr = {
+    children: ["Hello world", [null], React.DOM.span(null)],
+    className: "test-attr",
+    style: divStyle,
+    onClick: (event: React.MouseEvent) => {
+        event.preventDefault();
+        event.stopPropagation();
+    },
+    dangerouslySetInnerHTML: {
+        __html: "<strong>STRONG</strong>"
+    }
+};
+React.DOM.div(htmlAttr);
+React.DOM.span(htmlAttr);
+React.DOM.input(htmlAttr);
+
 //
 // PropTypes
 // --------------------------------------------------------------------------