chore: fix indentation

Author: Marcy Sutton

test/rule-matches/color-contrast-matches.js

@@ -245,8 +245,8 @@ describe('color-contrast-matches', function () {
 		assert.isFalse(rule.matches(target));
 	});
 
-  (shadowSupport ? it : xit)
-  ('should match a descendant of an element across a shadow boundary', function () {
+	(shadowSupport ? it : xit)
+	('should match a descendant of an element across a shadow boundary', function () {
 		fixture.innerHTML = '<div id="parent" style="background-color: #000;">' +
 			'</div>';
 
@@ -257,4 +257,4 @@ describe('color-contrast-matches', function () {
 		var tree = axe._tree = axe.utils.getFlattenedTree(fixture);
 		assert.isTrue(rule.matches(shadowTarget, axe.utils.getNodeFromTree(tree[0], shadowTarget)));
 	});
-});
+});