diff --git a/tests/fixtures/invalid.php b/tests/fixtures/invalid.php
index 7492120..06136af 100644
--- a/tests/fixtures/invalid.php
+++ b/tests/fixtures/invalid.php
@@ -1,7 +1,7 @@
 <?php
 
 return array(
-    'operations' =
+    'operations' =>
         array(
             'certificates.add' =>
                 array(
diff --git a/tests/suite/JsonLoaderTest.php b/tests/suite/JsonLoaderTest.php
index eb5754e..6df108e 100644
--- a/tests/suite/JsonLoaderTest.php
+++ b/tests/suite/JsonLoaderTest.php
@@ -6,7 +6,7 @@
 
 use Symfony\Component\Config\FileLocator;
 
-class JsonLoaderTest extends \PHPUnit_Framework_TestCase
+class JsonLoaderTest extends \PHPUnit\Framework\TestCase
 {
     protected $jsonLoader;
 
diff --git a/tests/suite/PhpLoaderTest.php b/tests/suite/PhpLoaderTest.php
index 0adf291..6be1068 100644
--- a/tests/suite/PhpLoaderTest.php
+++ b/tests/suite/PhpLoaderTest.php
@@ -6,7 +6,7 @@
 
 use Symfony\Component\Config\FileLocator;
 
-class PhpLoaderTest extends \PHPUnit_Framework_TestCase
+class PhpLoaderTest extends \PHPUnit\Framework\TestCase
 {
     protected $PhpLoader;
 
diff --git a/tests/suite/YamlLoaderTest.php b/tests/suite/YamlLoaderTest.php
index f5eb8d8..47d4f9e 100644
--- a/tests/suite/YamlLoaderTest.php
+++ b/tests/suite/YamlLoaderTest.php
@@ -6,7 +6,7 @@
 
 use Symfony\Component\Config\FileLocator;
 
-class YamlLoaderTest extends \PHPUnit_Framework_TestCase
+class YamlLoaderTest extends \PHPUnit\Framework\TestCase
 {
     protected $YamlLoader;