diff --git a/core/tests/Drupal/Tests/Core/Command/QuickStartTest.php b/core/tests/Drupal/Tests/Core/Command/QuickStartTest.php
index fae9dd4d49..594f29eabc 100644
--- a/core/tests/Drupal/Tests/Core/Command/QuickStartTest.php
+++ b/core/tests/Drupal/Tests/Core/Command/QuickStartTest.php
@@ -167,7 +167,7 @@ public function testPhpRequirement() {
     $error_output = $process->getErrorOutput();
     $this->assertStringContainsString('Your PHP installation is too old.', $error_output);
     $this->assertStringContainsString('Drupal requires at least PHP', $error_output);
-    $this->assertContains(\Drupal::MINIMUM_SUPPORTED_PHP, $error_output);
+    $this->assertStringContainsString(\Drupal::MINIMUM_SUPPORTED_PHP, $error_output);
 
     // Stop the web server.
     $process->stop();