Add users CRUD e2e tests

awx/ui/test/e2e/commands/waitForSpinny.js

@@ -0,0 +1,8 @@
+/* Utility function to wait for the working spinner to disappear. */
+exports.command = function waitForSpinny () {
+    const selector = 'div.spinny';
+    this
+        .waitForElementVisible(selector)
+        .waitForElementNotVisible(selector);
+    return this;
+};