1 files changed, 4 insertions, 4 deletions
diff --git a/tests/lib/Http/Client/NegativeDnsCacheTest.php b/tests/lib/Http/Client/NegativeDnsCacheTest.php
index af0575b0cd7..eb0f86f5c7a 100644
--- a/tests/lib/Http/Client/NegativeDnsCacheTest.php
+++ b/tests/lib/Http/Client/NegativeDnsCacheTest.php
@@ -30,7 +30,7 @@ class NegativeDnsCacheTest extends \Test\TestCase {
 			->method('createLocal')
 			->with('NegativeDnsCache')
 			->willReturn($this->cache);
-		
+
 		$this->negativeDnsCache = new NegativeDnsCache($this->cacheFactory);
 	}
 
@@ -40,16 +40,16 @@ class NegativeDnsCacheTest extends \Test\TestCase {
 			->method('set')
 			->with('www.example.com-1', 'true', 3600);
 
-		$this->negativeDnsCache->setNegativeCacheForDnsType("www.example.com", DNS_A, 3600);
+		$this->negativeDnsCache->setNegativeCacheForDnsType('www.example.com', DNS_A, 3600);
 	}
 
-	public function testIsNegativeCached() {
+	public function testIsNegativeCached(): void {
 		$this->cache
 			->expects($this->once())
 			->method('hasKey')
 			->with('www.example.com-1')
 			->willReturn(true);
 
-		$this->assertTrue($this->negativeDnsCache->isNegativeCached("www.example.com", DNS_A));
+		$this->assertTrue($this->negativeDnsCache->isNegativeCached('www.example.com', DNS_A));
 	}
 }