Added group for bootstrap tests

tests/unit/extensions/bootstrap/ButtonDropdownTest.php

@@ -3,6 +3,9 @@ namespace yiiunit\extensions\bootstrap;
 
 use yii\bootstrap\ButtonDropdown;
 
+/**
+ * @group bootstrap
+ */
 class ButtonDropdownTest extends BootstrapTestCase
 {
     public function testContainerOptions()

tests/unit/extensions/bootstrap/CollapseTest.php

@@ -3,6 +3,9 @@ namespace yiiunit\extensions\bootstrap;
 
 use yii\bootstrap\Collapse;
 
+/**
+ * @group bootstrap
+ */
 class CollapseTest extends BootstrapTestCase
 {
     public function testRender()

tests/unit/extensions/bootstrap/TabsTest.php

@@ -5,6 +5,8 @@ use yii\bootstrap\Tabs;
 
 /**
  * Tests for Tabs widget
+ *
+ * @group bootstrap
  */
 class TabsTest extends BootstrapTestCase
 {