diff --git a/tests/unit/framework/validators/BooleanValidatorTest.php b/tests/unit/framework/validators/BooleanValidatorTest.php
index f30aa3d..0f09daf 100644
--- a/tests/unit/framework/validators/BooleanValidatorTest.php
+++ b/tests/unit/framework/validators/BooleanValidatorTest.php
@@ -10,6 +10,12 @@ use yiiunit\TestCase;
  */
 class BooleanValidatorTest extends TestCase
 {
+	protected function setUp()
+	{
+		parent::setUp();
+		$this->mockApplication();
+	}
+
 	public function testValidateValue()
 	{
 		$val = new BooleanValidator;
diff --git a/tests/unit/framework/validators/CompareValidatorTest.php b/tests/unit/framework/validators/CompareValidatorTest.php
index b3fd6b4..d1bdf34 100644
--- a/tests/unit/framework/validators/CompareValidatorTest.php
+++ b/tests/unit/framework/validators/CompareValidatorTest.php
@@ -10,6 +10,11 @@ use yiiunit\TestCase;
 
 class CompareValidatorTest extends TestCase
 {
+	protected function setUp()
+	{
+		parent::setUp();
+		$this->mockApplication();
+	}
 
 	public function testValidateValueException()
 	{
diff --git a/tests/unit/framework/validators/DateValidatorTest.php b/tests/unit/framework/validators/DateValidatorTest.php
index 28a6a4a..6ae3521 100644
--- a/tests/unit/framework/validators/DateValidatorTest.php
+++ b/tests/unit/framework/validators/DateValidatorTest.php
@@ -10,6 +10,12 @@ use yiiunit\TestCase;
 
 class DateValidatorTest extends TestCase
 {
+	protected function setUp()
+	{
+		parent::setUp();
+		$this->mockApplication();
+	}
+
 	public function testEnsureMessageIsSet()
 	{
 		$val = new DateValidator;
diff --git a/tests/unit/framework/validators/DefaultValueValidatorTest.php b/tests/unit/framework/validators/DefaultValueValidatorTest.php
index 05a71b5..48537d8 100644
--- a/tests/unit/framework/validators/DefaultValueValidatorTest.php
+++ b/tests/unit/framework/validators/DefaultValueValidatorTest.php
@@ -8,6 +8,12 @@ use yiiunit\TestCase;
  */
 class DefaultValueValidatorTest extends TestCase
 {
+	protected function setUp()
+	{
+		parent::setUp();
+		$this->mockApplication();
+	}
+
 	public function testValidateAttribute()
 	{
 		$val = new DefaultValueValidator;
diff --git a/tests/unit/framework/validators/EmailValidatorTest.php b/tests/unit/framework/validators/EmailValidatorTest.php
index 950ac97..eee708d 100644
--- a/tests/unit/framework/validators/EmailValidatorTest.php
+++ b/tests/unit/framework/validators/EmailValidatorTest.php
@@ -11,6 +11,12 @@ use yiiunit\TestCase;
  */
 class EmailValidatorTest extends TestCase
 {
+	protected function setUp()
+	{
+		parent::setUp();
+		$this->mockApplication();
+	}
+
 	public function testValidateValue()
 	{
 		$validator = new EmailValidator();
diff --git a/tests/unit/framework/validators/ExistValidatorTest.php b/tests/unit/framework/validators/ExistValidatorTest.php
index 5a3a175..a0f0328 100644
--- a/tests/unit/framework/validators/ExistValidatorTest.php
+++ b/tests/unit/framework/validators/ExistValidatorTest.php
@@ -18,6 +18,7 @@ class ExistValidatorTest extends DatabaseTestCase
 	public function setUp()
 	{
 		parent::setUp();
+		$this->mockApplication();
 		ActiveRecord::$db = $this->getConnection();
 	}
 
diff --git a/tests/unit/framework/validators/FilterValidatorTest.php b/tests/unit/framework/validators/FilterValidatorTest.php
index 139d51d..ec96f21 100644
--- a/tests/unit/framework/validators/FilterValidatorTest.php
+++ b/tests/unit/framework/validators/FilterValidatorTest.php
@@ -9,6 +9,12 @@ use yiiunit\TestCase;
 
 class FilterValidatorTest extends TestCase
 {
+	protected function setUp()
+	{
+		parent::setUp();
+		$this->mockApplication();
+	}
+
 	public function testAssureExceptionOnInit()
 	{
 		$this->setExpectedException('yii\base\InvalidConfigException');
diff --git a/tests/unit/framework/validators/NumberValidatorTest.php b/tests/unit/framework/validators/NumberValidatorTest.php
index c2352ec..4e9897e 100644
--- a/tests/unit/framework/validators/NumberValidatorTest.php
+++ b/tests/unit/framework/validators/NumberValidatorTest.php
@@ -9,6 +9,12 @@ use yiiunit\TestCase;
 
 class NumberValidatorTest extends TestCase
 {
+	protected function setUp()
+	{
+		parent::setUp();
+		$this->mockApplication();
+	}
+
 	public function testEnsureMessageOnInit()
 	{
 		$val = new NumberValidator;
diff --git a/tests/unit/framework/validators/RangeValidatorTest.php b/tests/unit/framework/validators/RangeValidatorTest.php
index bfa7cae..345951c 100644
--- a/tests/unit/framework/validators/RangeValidatorTest.php
+++ b/tests/unit/framework/validators/RangeValidatorTest.php
@@ -9,6 +9,12 @@ use yiiunit\TestCase;
 
 class RangeValidatorTest extends TestCase
 {
+	protected function setUp()
+	{
+		parent::setUp();
+		$this->mockApplication();
+	}
+
 	public function testInitException()
 	{
 		$this->setExpectedException('yii\base\InvalidConfigException', 'The "range" property must be set.');
diff --git a/tests/unit/framework/validators/RegularExpressionValidatorTest.php b/tests/unit/framework/validators/RegularExpressionValidatorTest.php
index 3262025..e5b33b2 100644
--- a/tests/unit/framework/validators/RegularExpressionValidatorTest.php
+++ b/tests/unit/framework/validators/RegularExpressionValidatorTest.php
@@ -9,6 +9,12 @@ use yiiunit\TestCase;
 
 class RegularExpressionValidatorTest extends TestCase
 {
+	protected function setUp()
+	{
+		parent::setUp();
+		$this->mockApplication();
+	}
+
 	public function testValidateValue()
 	{
 		$val = new RegularExpressionValidator(['pattern' => '/^[a-zA-Z0-9](\.)?([^\/]*)$/m']);
diff --git a/tests/unit/framework/validators/RequiredValidatorTest.php b/tests/unit/framework/validators/RequiredValidatorTest.php
index f60e69e..0708cc9 100644
--- a/tests/unit/framework/validators/RequiredValidatorTest.php
+++ b/tests/unit/framework/validators/RequiredValidatorTest.php
@@ -8,6 +8,12 @@ use yiiunit\TestCase;
 
 class RequiredValidatorTest extends TestCase
 {
+	protected function setUp()
+	{
+		parent::setUp();
+		$this->mockApplication();
+	}
+
 	public function testValidateValueWithDefaults()
 	{
 		$val = new RequiredValidator();
diff --git a/tests/unit/framework/validators/UniqueValidatorTest.php b/tests/unit/framework/validators/UniqueValidatorTest.php
index 37d666f..d3d0882 100644
--- a/tests/unit/framework/validators/UniqueValidatorTest.php
+++ b/tests/unit/framework/validators/UniqueValidatorTest.php
@@ -19,6 +19,7 @@ class UniqueValidatorTest extends DatabaseTestCase
 	public function setUp()
 	{
 		parent::setUp();
+		$this->mockApplication();
 		ActiveRecord::$db = $this->getConnection();
 	}
 
diff --git a/tests/unit/framework/validators/UrlValidatorTest.php b/tests/unit/framework/validators/UrlValidatorTest.php
index 4d5fae2..1323434 100644
--- a/tests/unit/framework/validators/UrlValidatorTest.php
+++ b/tests/unit/framework/validators/UrlValidatorTest.php
@@ -9,6 +9,12 @@ use yiiunit\TestCase;
  */
 class UrlValidatorTest extends TestCase
 {
+	protected function setUp()
+	{
+		parent::setUp();
+		$this->mockApplication();
+	}
+
 	public function testValidateValue()
 	{
 		$val = new UrlValidator;
diff --git a/tests/unit/framework/validators/ValidatorTest.php b/tests/unit/framework/validators/ValidatorTest.php
index 0cd56d9..fc69c2f 100644
--- a/tests/unit/framework/validators/ValidatorTest.php
+++ b/tests/unit/framework/validators/ValidatorTest.php
@@ -12,6 +12,11 @@ use yiiunit\TestCase;
 
 class ValidatorTest extends TestCase
 {
+	protected function setUp()
+	{
+		parent::setUp();
+		$this->mockApplication();
+	}
 
 	protected function getTestModel($additionalAttributes = [])
 	{