diff --git a/core/modules/config/src/Tests/ConfigInstallWebTest.php b/core/modules/config/src/Tests/ConfigInstallWebTest.php
index 131f185..190e752 100644
--- a/core/modules/config/src/Tests/ConfigInstallWebTest.php
+++ b/core/modules/config/src/Tests/ConfigInstallWebTest.php
@@ -132,7 +132,8 @@ function testInstallProfileConfigOverwrite() {
     // Turn on the test module, which will attempt to replace the
     // configuration data. This attempt to replace the active configuration
     // should be ignored.
-    \Drupal::service('module_installer')->install(array('config_existing_default_config_test'));
+    $status = \Drupal::service('module_installer')->install(array('config_existing_default_config_test'));
+    $this->assertTrue($status, "The module config_existing_default_config_test was installed.");
 
     // Verify that the test module has not been able to change the data.
     $config = \Drupal::config($config_name);
diff --git a/core/modules/config/tests/config_existing_default_config_test/config_existing_default_config_test.yml b/core/modules/config/tests/config_existing_default_config_test/config_existing_default_config_test.info.yml
similarity index 89%
rename from core/modules/config/tests/config_existing_default_config_test/config_existing_default_config_test.yml
rename to core/modules/config/tests/config_existing_default_config_test/config_existing_default_config_test.info.yml
index 4163a85..75436be 100644
--- a/core/modules/config/tests/config_existing_default_config_test/config_existing_default_config_test.yml
+++ b/core/modules/config/tests/config_existing_default_config_test/config_existing_default_config_test.info.yml
@@ -3,4 +3,3 @@ type: module
 package: Testing
 version: VERSION
 core: 8.x
-hidden: true