address comments

Author: mmalerba

src/cdk/testing/protractor/protractor-element.ts

@@ -84,7 +84,7 @@ export class ProtractorElement implements TestElement {
     // Omitting the offset argument to mouseMove results in clicking the center.
     // This is the default behavior we want, so we use an empty array of offsetArgs if no args are
     // passed to this method.
-    const offsetArgs = args.length == 2 ? [{x: args[0], y: args[1]}] : [];
+    const offsetArgs = args.length === 2 ? [{x: args[0], y: args[1]}] : [];
 
     await browser.actions()
       .mouseMove(await this.element.getWebElement(), ...offsetArgs)