diff --git a/tests/ConfigTest.php b/tests/ConfigTest.php
index e96f83dbc..c198e73d3 100644
--- a/tests/ConfigTest.php
+++ b/tests/ConfigTest.php
@@ -562,122 +562,6 @@ class ConfigTest extends TestCase
         $this->analyzeFile($file_path, new Context());
     }
 
-    /**
-     * @expectedException        \Psalm\Exception\CodeException
-     * @expectedExceptionMessage InvalidClass
-     *
-     * @return                   void
-     */
-    public function testStringCheckerPlugin()
-    {
-        $this->project_checker = $this->getProjectCheckerWithConfig(
-            TestConfig::loadFromXML(
-                dirname(__DIR__) . DIRECTORY_SEPARATOR,
-                '<?xml version="1.0"?>
-                <psalm>
-                    <projectFiles>
-                        <directory name="src" />
-                    </projectFiles>
-                    <plugins>
-                        <plugin filename="examples/StringChecker.php" />
-                    </plugins>
-                </psalm>'
-            )
-        );
-
-        $this->project_checker->config->initializePlugins($this->project_checker);
-
-        $file_path = getcwd() . '/src/somefile.php';
-
-        $this->addFile(
-            $file_path,
-            '<?php
-                $a = "Psalm\Checker\ProjectChecker";'
-        );
-
-        $this->analyzeFile($file_path, new Context());
-    }
-
-    /**
-     * @expectedException        \Psalm\Exception\CodeException
-     * @expectedExceptionMessage InvalidClass
-     *
-     * @return                   void
-     */
-    public function testStringCheckerPluginWithClassConstant()
-    {
-        $this->project_checker = $this->getProjectCheckerWithConfig(
-            TestConfig::loadFromXML(
-                dirname(__DIR__) . DIRECTORY_SEPARATOR,
-                '<?xml version="1.0"?>
-                <psalm>
-                    <projectFiles>
-                        <directory name="src" />
-                    </projectFiles>
-                    <plugins>
-                        <plugin filename="examples/StringChecker.php" />
-                    </plugins>
-                </psalm>'
-            )
-        );
-
-        $this->project_checker->config->initializePlugins($this->project_checker);
-
-        $file_path = getcwd() . '/src/somefile.php';
-
-        $this->addFile(
-            $file_path,
-            '<?php
-                class A {
-                    const C = [
-                        "foo" => "Psalm\Checker\ProjectChecker",
-                    ];
-                }'
-        );
-
-        $this->analyzeFile($file_path, new Context());
-    }
-
-    /**
-     * @expectedException        \Psalm\Exception\CodeException
-     * @expectedExceptionMessage UndefinedMethod
-     *
-     * @return                   void
-     */
-    public function testStringCheckerPluginWithClassConstantConcat()
-    {
-        $this->project_checker = $this->getProjectCheckerWithConfig(
-            TestConfig::loadFromXML(
-                dirname(__DIR__) . DIRECTORY_SEPARATOR,
-                '<?xml version="1.0"?>
-                <psalm>
-                    <projectFiles>
-                        <directory name="src" />
-                    </projectFiles>
-                    <plugins>
-                        <plugin filename="examples/StringChecker.php" />
-                    </plugins>
-                </psalm>'
-            )
-        );
-
-        $this->project_checker->config->initializePlugins($this->project_checker);
-
-        $file_path = getcwd() . '/src/somefile.php';
-
-        $this->addFile(
-            $file_path,
-            '<?php
-                class A {
-                    const C = [
-                        "foo" => \Psalm\Checker\ProjectChecker::class . "::foo",
-                    ];
-                }'
-        );
-
-        $this->analyzeFile($file_path, new Context());
-    }
-
     /**
      * @return void
      */
diff --git a/tests/PluginTest.php b/tests/PluginTest.php
new file mode 100644
index 000000000..2d44e8d17
--- /dev/null
+++ b/tests/PluginTest.php
@@ -0,0 +1,96 @@
+<?php
+namespace Psalm\Tests;
+
+use Psalm\Checker\FileChecker;
+use Psalm\Config;
+use Psalm\Context;
+
+class PluginTest extends TestCase
+{
+    /** @var TestConfig */
+    protected static $config;
+
+    /** @var \Psalm\Checker\ProjectChecker */
+    protected $project_checker;
+
+    /**
+     * @return void
+     */
+    public static function setUpBeforeClass()
+    {
+        self::$config = new TestConfig();
+
+        if (!defined('PSALM_VERSION')) {
+            define('PSALM_VERSION', '2.0.0');
+        }
+
+        if (!defined('PHP_PARSER_VERSION')) {
+            define('PHP_PARSER_VERSION', '4.0.0');
+        }
+    }
+
+    /**
+     * @return void
+     */
+    public function setUp()
+    {
+        FileChecker::clearCache();
+        $this->file_provider = new Provider\FakeFileProvider();
+    }
+
+    /**
+     * @param  Config $config
+     *
+     * @return \Psalm\Checker\ProjectChecker
+     */
+    private function getProjectCheckerWithConfig(Config $config)
+    {
+        return new \Psalm\Checker\ProjectChecker(
+            $config,
+            new \Psalm\Provider\Providers(
+                $this->file_provider,
+                new Provider\FakeParserCacheProvider()
+            )
+        );
+    }
+
+    /**
+     * @expectedException        \Psalm\Exception\CodeException
+     * @expectedExceptionMessage UndefinedMethod
+     *
+     * @return                   void
+     */
+    public function testStringCheckerPluginWithClassConstantConcat()
+    {
+        $this->project_checker = $this->getProjectCheckerWithConfig(
+            TestConfig::loadFromXML(
+                dirname(__DIR__) . DIRECTORY_SEPARATOR,
+                '<?xml version="1.0"?>
+                <psalm>
+                    <projectFiles>
+                        <directory name="src" />
+                    </projectFiles>
+                    <plugins>
+                        <plugin filename="examples/StringChecker.php" />
+                    </plugins>
+                </psalm>'
+            )
+        );
+
+        $this->project_checker->config->initializePlugins($this->project_checker);
+
+        $file_path = getcwd() . '/src/somefile.php';
+
+        $this->addFile(
+            $file_path,
+            '<?php
+                class A {
+                    const C = [
+                        "foo" => \Psalm\Checker\ProjectChecker::class . "::foo",
+                    ];
+                }'
+        );
+
+        $this->analyzeFile($file_path, new Context());
+    }
+}