DEV: apply new coding standards (#10592)

test/javascripts/widgets/button-test.js

@@ -18,7 +18,7 @@ widgetTest("icon only button", {
       find("button .d-icon.d-icon-far-smile").length,
       "it has the icon"
     );
-  }
+  },
 });
 
 widgetTest("icon and text button", {
@@ -35,7 +35,7 @@ widgetTest("icon and text button", {
     );
     assert.ok(find("button .d-icon.d-icon-plus").length, "it has the icon");
     assert.ok(find("button span.d-button-label").length, "it has the label");
-  }
+  },
 });
 
 widgetTest("text only button", {
@@ -48,5 +48,5 @@ widgetTest("text only button", {
   test(assert) {
     assert.ok(find("button.btn.btn-text").length, "it has all the classes");
     assert.ok(find("button span.d-button-label").length, "it has the label");
-  }
+  },
 });