diff --git a/tests/TestCase/Cache/CacheTest.php b/tests/TestCase/Cache/CacheTest.php
index 7fd55566db0..826fbaedeab 100644
--- a/tests/TestCase/Cache/CacheTest.php
+++ b/tests/TestCase/Cache/CacheTest.php
@@ -556,7 +556,7 @@ public function testCacheDisable()
         Cache::enable();
         Cache::clear(false, 'test_cache_disable_2');
     }
-    
+
     /**
      * test clearAll() method
      *
@@ -572,17 +572,20 @@ public function testClearAll()
             'engine' => 'File',
             'path' => TMP . 'tests'
         ]);
-        
+
         Cache::write('key_1', 'hello', 'configTest');
         Cache::write('key_2', 'hello again', 'anotherConfigTest');
-        
+
         $this->assertSame(Cache::read('key_1', 'configTest'), 'hello');
         $this->assertSame(Cache::read('key_2', 'anotherConfigTest'), 'hello again');
-        
-        Cache::clearAll();
-        
+
+        $result = Cache::clearAll();
+        $this->assertTrue($result['configTest']);
+        $this->assertTrue($result['anotherConfigTest']);
         $this->assertFalse(Cache::read('key_1', 'configTest'));
         $this->assertFalse(Cache::read('key_2', 'anotherConfigTest'));
+        Cache::drop('configTest');
+        Cache::drop('anotherConfigTest');
     }
 
     /**