diff --git a/tests/Query/ExecutorTest.php b/tests/Query/ExecutorTest.php
index 5ddba698..ff2d4d2f 100644
--- a/tests/Query/ExecutorTest.php
+++ b/tests/Query/ExecutorTest.php
@@ -29,7 +29,7 @@ public function setUp()
     /** @test */
     public function queryShouldCreateUdpRequest()
     {
-        $timer = $this->getMockBuilder('React\EventLoop\Timer\TimerInterface')->getMock();
+        $timer = $this->createTimerMock();
         $this->loop
             ->expects($this->any())
             ->method('addTimer')
@@ -62,7 +62,7 @@ public function resolveShouldCloseConnectionWhenCancelled()
         $conn = $this->createConnectionMock(false);
         $conn->expects($this->once())->method('close');
 
-        $timer = $this->getMockBuilder('React\EventLoop\Timer\TimerInterface')->getMock();
+        $timer = $this->createTimerMock();
         $this->loop
             ->expects($this->any())
             ->method('addTimer')
@@ -105,7 +105,7 @@ public function resolveShouldNotStartOrCancelTimerWhenCancelledWithTimeoutIsNull
     /** @test */
     public function resolveShouldRejectIfResponseIsTruncated()
     {
-        $timer = $this->getMockBuilder('React\EventLoop\Timer\TimerInterface')->getMock();
+        $timer = $this->createTimerMock();
 
         $this->loop
             ->expects($this->any())
@@ -171,7 +171,7 @@ public function resolveShouldCancelTimerWhenFullResponseIsReceived()
             ->will($this->returnNewConnectionMock());
 
 
-        $timer = $this->getMockBuilder('React\EventLoop\Timer\TimerInterface')->getMock();
+        $timer = $this->createTimerMock();
 
         $this->loop
             ->expects($this->once())
@@ -198,10 +198,11 @@ public function resolveShouldCloseConnectionOnTimeout()
             ->with('8.8.8.8:53', 'udp')
             ->will($this->returnNewConnectionMock(false));
 
-        $timer = $this->getMockBuilder('React\EventLoop\Timer\TimerInterface')->getMock();
-        $timer
+        $timer = $this->createTimerMock();
+
+        $this->loop
             ->expects($this->never())
-            ->method('cancel');
+            ->method('cancelTimer');
 
         $this->loop
             ->expects($this->once())
@@ -290,6 +291,13 @@ private function createConnectionMock($emitData = true)
         return $conn;
     }
 
+    private function createTimerMock()
+    {
+        return $this->getMockBuilder(
+            interface_exists('React\EventLoop\TimerInterface') ? 'React\EventLoop\TimerInterface' : 'React\EventLoop\Timer\TimerInterface'
+        )->getMock();
+    }
+
     private function createExecutorMock()
     {
         return $this->getMockBuilder('React\Dns\Query\Executor')