diff --git a/composer.json b/composer.json
index 3faccdc..b47cae3 100644
--- a/composer.json
+++ b/composer.json
@@ -40,7 +40,8 @@
         "codeception/codeception": "~2.2.4",
         "codeception/specify": "*",
         "codeception/verify": "*",
-        "phploc/phploc": "^3.0.1"
+        "phploc/phploc": "^3.0.1",
+        "mockery/mockery": "1.0.0-alpha1"
     },
     "config": {
         "process-timeout": 1800
diff --git a/tests/codeception/api/unit.suite.yml b/tests/codeception/api/unit.suite.yml
index 3d31363..e79108b 100644
--- a/tests/codeception/api/unit.suite.yml
+++ b/tests/codeception/api/unit.suite.yml
@@ -4,6 +4,7 @@ modules:
         - Yii2:
             part: [orm, email, fixtures]
         - tests\codeception\common\_support\amqp\Helper
+        - tests\codeception\common\_support\Mockery
     config:
         Yii2:
             configFile: '../config/api/unit.php'
diff --git a/tests/codeception/api/unit/TestCase.php b/tests/codeception/api/unit/TestCase.php
index 1d1cf88..91b79ad 100644
--- a/tests/codeception/api/unit/TestCase.php
+++ b/tests/codeception/api/unit/TestCase.php
@@ -1,6 +1,8 @@
 <?php
 namespace tests\codeception\api\unit;
 
+use Mockery;
+
 class TestCase extends \Codeception\Test\Unit  {
 
     /**
@@ -19,4 +21,9 @@ class TestCase extends \Codeception\Test\Unit  {
         return [];
     }
 
+    protected function tearDown() {
+        parent::tearDown();
+        Mockery::close();
+    }
+
 }
diff --git a/tests/codeception/common/_support/Mockery.php b/tests/codeception/common/_support/Mockery.php
new file mode 100644
index 0000000..125441d
--- /dev/null
+++ b/tests/codeception/common/_support/Mockery.php
@@ -0,0 +1,31 @@
+<?php
+namespace tests\codeception\common\_support;
+
+use Codeception\Module;
+use Codeception\TestInterface;
+
+class Mockery extends Module {
+
+    /**
+     * @var bool Run mockery expectations after test or not
+     */
+    private $assert_mocks = true;
+
+    public function _before(TestInterface $test) {
+        \Mockery::globalHelpers();
+    }
+
+    public function _after(TestInterface $test) {
+        if ($this->assert_mocks) {
+            \Mockery::close();
+        } else {
+            \Mockery::getContainer()->mockery_close();
+            \Mockery::resetContainer();
+        }
+    }
+
+    public function _failed(TestInterface $test, $fail) {
+        $this->assert_mocks = false;
+    }
+
+}
diff --git a/tests/codeception/common/unit.suite.yml b/tests/codeception/common/unit.suite.yml
index 98fb59d..80ce5da 100644
--- a/tests/codeception/common/unit.suite.yml
+++ b/tests/codeception/common/unit.suite.yml
@@ -3,6 +3,7 @@ modules:
     enabled:
         - Yii2:
             part: [orm, email, fixtures]
+        - tests\codeception\common\_support\Mockery
     config:
         Yii2:
             configFile: '../config/common/unit.php'
diff --git a/tests/codeception/common/unit/TestCase.php b/tests/codeception/common/unit/TestCase.php
index ef1be1f..b3c1f9b 100644
--- a/tests/codeception/common/unit/TestCase.php
+++ b/tests/codeception/common/unit/TestCase.php
@@ -1,6 +1,8 @@
 <?php
 namespace tests\codeception\common\unit;
 
+use Mockery;
+
 class TestCase extends \Codeception\Test\Unit  {
 
     /**
@@ -19,4 +21,9 @@ class TestCase extends \Codeception\Test\Unit  {
         return [];
     }
 
+    protected function tearDown() {
+        parent::tearDown();
+        Mockery::close();
+    }
+
 }
diff --git a/tests/codeception/console/unit.suite.yml b/tests/codeception/console/unit.suite.yml
index bdcb10b..9b3ddd9 100644
--- a/tests/codeception/console/unit.suite.yml
+++ b/tests/codeception/console/unit.suite.yml
@@ -3,6 +3,7 @@ modules:
     enabled:
         - Yii2:
             part: [orm, email, fixtures]
+        - tests\codeception\common\_support\Mockery
     config:
         Yii2:
             configFile: '../config/console/unit.php'
diff --git a/tests/codeception/console/unit/TestCase.php b/tests/codeception/console/unit/TestCase.php
index 7bd53f4..650812b 100644
--- a/tests/codeception/console/unit/TestCase.php
+++ b/tests/codeception/console/unit/TestCase.php
@@ -2,6 +2,7 @@
 namespace tests\codeception\console\unit;
 
 use Codeception\Test\Unit;
+use Mockery;
 
 class TestCase extends Unit {
 
@@ -21,4 +22,9 @@ class TestCase extends Unit {
         return [];
     }
 
+    protected function tearDown() {
+        parent::tearDown();
+        Mockery::close();
+    }
+
 }