diff --git a/core/modules/simpletest/tests/fixtures/phpunit_error.xml b/core/modules/simpletest/tests/fixtures/phpunit_error.xml
new file mode 100644
index 0000000000..6a6a1cbc20
--- /dev/null
+++ b/core/modules/simpletest/tests/fixtures/phpunit_error.xml
@@ -0,0 +1,43 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<testsuites>
+  <testsuite name="Drupal Unit Test Suite" tests="1" assertions="0" failures="0" errors="1" time="0.002680">
+    <testsuite name="Drupal\Tests\Component\PhpStorage\FileStorageTest" file="/home/chx/www/system/core/tests/Drupal/Tests/Component/PhpStorage/FileStorageTest.php" namespace="Drupal\Tests\Component\PhpStorage" fullPackage="Drupal.Tests.Component.PhpStorage" tests="0" assertions="0" failures="0" errors="0" time="0.000000"/>
+    <testsuite name="Drupal\Tests\Component\PhpStorage\MTimeProtectedFastFileStorageTest" file="/home/chx/www/system/core/tests/Drupal/Tests/Component/PhpStorage/MTimeProtectedFastFileStorageTest.php" namespace="Drupal\Tests\Component\PhpStorage" fullPackage="Drupal.Tests.Component.PhpStorage" tests="0" assertions="0" failures="0" errors="0" time="0.000000"/>
+    <testsuite name="Drupal\Tests\Core\Cache\BackendChainImplementationUnitTest" file="/home/chx/www/system/core/tests/Drupal/Tests/Core/Cache/BackendChainImplementationUnitTest.php" namespace="Drupal\Tests\Core\Cache" fullPackage="Drupal.Tests.Core.Cache" tests="0" assertions="0" failures="0" errors="0" time="0.000000"/>
+    <testsuite name="Drupal\Tests\Core\Cache\NullBackendTest" file="/home/chx/www/system/core/tests/Drupal/Tests/Core/Cache/NullBackendTest.php" namespace="Drupal\Tests\Core\Cache" fullPackage="Drupal.Tests.Core.Cache" tests="0" assertions="0" failures="0" errors="0" time="0.000000"/>
+    <testsuite name="Drupal\Tests\Core\Extension\ModuleHandlerUnitTest" file="/home/chx/www/system/core/tests/Drupal/Tests/Core/Extension/ModuleHandlerUnitTest.php" namespace="Drupal\Tests\Core\Extension" fullPackage="Drupal.Tests.Core.Extension" tests="1" assertions="0" failures="0" errors="1" time="0.002680">
+      <testcase name="testloadInclude" class="Drupal\Tests\Core\Extension\ModuleHandlerUnitTest" file="/home/chx/www/system/core/tests/Drupal/Tests/Core/Extension/ModuleHandlerUnitTest.php" line="37" assertions="0" time="0.002680">
+        <error type="PHPUnit\Framework\Error\Notice">Drupal\Tests\Core\Extension\ModuleHandlerUnitTest::testloadInclude
+Undefined index: foo
+
+/home/chx/www/system/core/lib/Drupal/Core/Extension/ModuleHandler.php:219
+/home/chx/www/system/core/tests/Drupal/Tests/Core/Extension/ModuleHandlerUnitTest.php:40
+</error>
+      </testcase>
+    </testsuite>
+    <testsuite name="Drupal\Tests\Core\NestedArrayUnitTest" file="/home/chx/www/system/core/tests/Drupal/Tests/Core/NestedArrayUnitTest.php" namespace="Drupal\Tests\Core" fullPackage="Drupal.Tests.Core" tests="0" assertions="0" failures="0" errors="0" time="0.000000"/>
+    <testsuite name="Drupal\breakpoint\Tests\BreakpointMediaQueryTest" file="/home/chx/www/system/core/modules/breakpoint/tests/Drupal/breakpoint/Tests/BreakpointMediaQueryTest.php" namespace="Drupal\breakpoint\Tests" fullPackage="Drupal.breakpoint.Tests" tests="0" assertions="0" failures="0" errors="0" time="0.000000"/>
+    <testsuite name="Drupal\Tests\Core\Route\RoleAccessCheckTest" file="/var/www/d8/core/tests/Drupal/Tests/Core/Route/RoleAccessCheckTestkTest.php" namespace="Drupal\Tests\Core\Route" fullPackage="Drupal.Tests.Core.Route" tests="3" assertions="3" failures="3" errors="0" time="0.009176">
+      <testsuite name="Drupal\Tests\Core\Route\RoleAccessCheckTest::testRoleAccess" tests="3" assertions="3" failures="3" errors="0" time="0.009176">
+        <testcase name="testRoleAccess with data set #0" assertions="1" time="0.004519">
+          <failure type="PHPUnit\Framework\ExpectationFailedException">Drupal\Tests\Core\Route\RoleAccessCheckTest::testRoleAccess with data set #0 ('role_test_1', array(Drupal\user\Entity\User, Drupal\user\Entity\User))
+            Access granted for user with the roles role_test_1 on path: role_test_1
+            Failed asserting that false is true.
+          </failure>
+        </testcase>
+        <testcase name="testRoleAccess with data set #1" assertions="1" time="0.002354">
+          <failure type="PHPUnit\Framework\ExpectationFailedException">Drupal\Tests\Core\Route\RoleAccessCheckTest::testRoleAccess with data set #1 ('role_test_2', array(Drupal\user\Entity\User, Drupal\user\Entity\User))
+            Access granted for user with the roles role_test_2 on path: role_test_2
+            Failed asserting that false is true.
+          </failure>
+        </testcase>
+        <testcase name="testRoleAccess with data set #2" assertions="1" time="0.002303">
+          <failure type="PHPUnit\Framework\ExpectationFailedException">Drupal\Tests\Core\Route\RoleAccessCheckTest::testRoleAccess with data set #2 ('role_test_3', array(Drupal\user\Entity\User))
+            Access granted for user with the roles role_test_1, role_test_2 on path: role_test_3
+            Failed asserting that false is true.
+          </failure>
+        </testcase>
+      </testsuite>
+    </testsuite>
+  </testsuite>
+</testsuites>
diff --git a/core/tests/Drupal/Tests/Core/Test/PhpUnitTestRunnerTest.php b/core/tests/Drupal/KernelTests/Core/Test/PhpUnitTestRunnerTest.php
similarity index 91%
rename from core/tests/Drupal/Tests/Core/Test/PhpUnitTestRunnerTest.php
rename to core/tests/Drupal/KernelTests/Core/Test/PhpUnitTestRunnerTest.php
index bd62c430c6..62032ae920 100644
--- a/core/tests/Drupal/Tests/Core/Test/PhpUnitTestRunnerTest.php
+++ b/core/tests/Drupal/KernelTests/Core/Test/PhpUnitTestRunnerTest.php
@@ -4,7 +4,7 @@
 
 use Drupal\Core\Test\PhpUnitTestRunner;
 use Drupal\Core\Test\TestStatus;
-use Drupal\Tests\UnitTestCase;
+use Drupal\KernelTests\KernelTestBase;
 
 /**
  * @coversDefaultClass \Drupal\Core\Test\PhpUnitTestRunner
@@ -12,7 +12,7 @@
  *
  * @see Drupal\Tests\simpletest\Unit\SimpletestPhpunitRunCommandTest
  */
-class PhpUnitTestRunnerTest extends UnitTestCase {
+class PhpUnitTestRunnerTest extends KernelTestBase {
 
   /**
    * Test an error in the test running phase.
@@ -70,7 +70,7 @@ function ($unescaped_test_classnames, $phpunit_file, &$status) {
    * @covers ::phpUnitCommand
    */
   public function testPhpUnitCommand() {
-    $runner = new PhpUnitTestRunner($this->root, sys_get_temp_dir());
+    $runner = new PhpUnitTestRunner($this->root, \Drupal::service('file_system'));
     $this->assertRegExp('/phpunit/', $runner->phpUnitCommand());
   }
 
@@ -78,7 +78,7 @@ public function testPhpUnitCommand() {
    * @covers ::xmlLogFilePath
    */
   public function testXmlLogFilePath() {
-    $runner = new PhpUnitTestRunner($this->root, sys_get_temp_dir());
+    $runner = new PhpUnitTestRunner($this->root, \Drupal::service('file_system'));
     $this->assertStringEndsWith('phpunit-23.xml', $runner->xmlLogFilePath(23));
   }
 
@@ -128,7 +128,7 @@ public function providerTestSummarizeResults() {
    * @covers ::summarizeResults
    */
   public function testSummarizeResults($results, $has_status) {
-    $runner = new PhpUnitTestRunner($this->root, sys_get_temp_dir());
+    $runner = new PhpUnitTestRunner($this->root, \Drupal::service('file_system'));
     $summary = $runner->summarizeResults($results);
 
     $this->assertArrayHasKey(static::class, $summary);