Fixed issues that came up through Infection

Author: WyriHaximus

src/TestCase.php

@@ -32,7 +32,7 @@ abstract class TestCase extends PHPUnitTestCase
      */
     private $tmpNamespace;
 
-    public function setUp()
+    protected function setUp()
     {
         parent::setUp();
 
@@ -50,7 +50,7 @@ public function setUp()
         $this->tmpNamespace = uniqid('PACTN');
     }
 
-    public function tearDown()
+    protected function tearDown()
     {
         parent::tearDown();
         $this->rmdir($this->baseTmpDir);

tests/TestCaseTest.php

@@ -20,6 +20,16 @@ final class TestCaseTest extends TestCase
      */
     private $previousTemporaryDirectory = '';
 
+    protected function setUp()
+    {
+        parent::setUp();
+    }
+
+    protected function tearDown()
+    {
+        parent::tearDown();
+    }
+
     public function provideTemporaryDirectory()
     {
         for ($i = 0; $i <= self::PENTIUM; $i++) {
@@ -107,4 +117,9 @@ public function testAwaitTimeout(LoopInterface $loop = null)
 
         $this->await((new Deferred())->promise(), $loop, 0.1);
     }
+
+    public function testGetSysTempDir()
+    {
+        self::assertFileExists($this->getSysTempDir());
+    }
 }