fixed typo causing test to fail

Author: Elliott Marquez

test/unit/styling-scoped.html

@@ -1065,7 +1065,7 @@
     // but in shadyDOM it has moved to the head and the selector has been altered.
     if (style) {
       assert.equal(style.textContent, `.double-shared-style {
-color: green;
+  color: green;
 }`, 'There should be only one class selector in this style element');
     } else {
       assert.equal(document.head.querySelector('[scope="double-shared-styling-element"]').textContent,