MD History: Move flaky focus tests into interactive UI tests

chrome/test/data/webui/md_history/md_history_browsertest.js

Index: chrome/test/data/webui/md_history/md_history_browsertest.js
diff --git a/chrome/test/data/webui/md_history/md_history_browsertest.js b/chrome/test/data/webui/md_history/md_history_browsertest.js
index 76186a893d889fe5f5b829eb299061a8c847c72c..eeb1dcb29229c2dee5cc6fdf8c63a321eb0206b4 100644
--- a/chrome/test/data/webui/md_history/md_history_browsertest.js
+++ b/chrome/test/data/webui/md_history/md_history_browsertest.js
@@ -248,12 +248,7 @@ MaterialHistoryToolbarTest.prototype = {
   ]),
 };
 
-TEST_F('MaterialHistoryToolbarTest', 'Basic', function() {
+TEST_F('MaterialHistoryToolbarTest', 'All', function() {
   md_history.history_toolbar_test.registerTests();
   mocha.run();
 });
-
-TEST_F('MaterialHistoryToolbarTest', 'Focus', function() {
-  md_history.history_toolbar_focus_test.registerTests();
-  mocha.run();
-});