Use expect.js instead of expect in browser tests
https://bugs.webkit.org/show_bug.cgi?id=168492

Reviewed by Joseph Pecoraro.

Use expect.js (https://github.com/Automattic/expect.js) instead of expect (https://github.com/mjackson/expect).

* browser-tests/close-button-tests.js:
* browser-tests/component-base-tests.js:
* browser-tests/editable-text-tests.js:
* browser-tests/index.html:


git-svn-id: http://svn.webkit.org/repository/webkit/trunk@212533 268f45cc-cd09-0410-ab3c-d52691b4dbfc
diff --git a/Websites/perf.webkit.org/browser-tests/close-button-tests.js b/Websites/perf.webkit.org/browser-tests/close-button-tests.js
index 5793579..fda3ce9 100644
--- a/Websites/perf.webkit.org/browser-tests/close-button-tests.js
+++ b/Websites/perf.webkit.org/browser-tests/close-button-tests.js
@@ -14,11 +14,11 @@
             closeButton.listenToAction('activate', () => {
                 activateCount++;
             });
-            expect(activateCount).toBe(0);
+            expect(activateCount).to.be(0);
             closeButton.content().querySelector('a').click();
-            expect(activateCount).toBe(1);
+            expect(activateCount).to.be(1);
             closeButton.content().querySelector('a').click();
-            expect(activateCount).toBe(2);
+            expect(activateCount).to.be(2);
         });
     });