diff --git a/tests/mutex/SpinlockMutexTest.php b/tests/mutex/SpinlockMutexTest.php
index 76d55a68..f3e194ca 100644
--- a/tests/mutex/SpinlockMutexTest.php
+++ b/tests/mutex/SpinlockMutexTest.php
@@ -34,6 +34,17 @@ protected function setUp(): void
         }
     }
 
+    /**
+     * @return SpinlockMutex&MockObject
+     */
+    private function createSpinlockMutexMock(float $timeout = 3): SpinlockMutex
+    {
+        return $this->getMockBuilder(SpinlockMutex::class)
+            ->setConstructorArgs(['test', $timeout])
+            ->onlyMethods(['acquire', 'release'])
+            ->getMock();
+    }
+
     /**
      * Tests failing to acquire the lock.
      */
@@ -41,7 +52,7 @@ public function testFailAcquireLock(): void
     {
         $this->expectException(LockAcquireException::class);
 
-        $mutex = $this->getMockForAbstractClass(SpinlockMutex::class, ['test']);
+        $mutex = $this->createSpinlockMutexMock();
         $mutex->expects(self::any())
             ->method('acquire')
             ->willThrowException(new LockAcquireException());
@@ -59,7 +70,7 @@ public function testAcquireTimesOut(): void
         $this->expectException(TimeoutException::class);
         $this->expectExceptionMessage('Timeout of 3.0 seconds exceeded');
 
-        $mutex = $this->getMockForAbstractClass(SpinlockMutex::class, ['test']);
+        $mutex = $this->createSpinlockMutexMock();
         $mutex->expects(self::atLeastOnce())
             ->method('acquire')
             ->willReturn(false);
@@ -74,7 +85,7 @@ public function testAcquireTimesOut(): void
      */
     public function testExecuteTooLong(): void
     {
-        $mutex = $this->getMockForAbstractClass(SpinlockMutex::class, ['test', 0.5]);
+        $mutex = $this->createSpinlockMutexMock(0.5);
         $mutex->expects(self::any())
             ->method('acquire')
             ->willReturn(true);
@@ -99,7 +110,7 @@ public function testExecuteTooLong(): void
      */
     public function testExecuteBarelySucceeds(): void
     {
-        $mutex = $this->getMockForAbstractClass(SpinlockMutex::class, ['test', 0.5]);
+        $mutex = $this->createSpinlockMutexMock(0.5);
         $mutex->expects(self::any())->method('acquire')->willReturn(true);
         $mutex->expects(self::once())->method('release')->willReturn(true);
 
@@ -115,7 +126,7 @@ public function testFailReleasingLock(): void
     {
         $this->expectException(LockReleaseException::class);
 
-        $mutex = $this->getMockForAbstractClass(SpinlockMutex::class, ['test']);
+        $mutex = $this->createSpinlockMutexMock();
         $mutex->expects(self::any())->method('acquire')->willReturn(true);
         $mutex->expects(self::any())->method('release')->willReturn(false);
 
@@ -127,7 +138,7 @@ public function testFailReleasingLock(): void
      */
     public function testExecuteTimeoutLeavesOneSecondForKeyToExpire(): void
     {
-        $mutex = $this->getMockForAbstractClass(SpinlockMutex::class, ['test', 0.2]);
+        $mutex = $this->createSpinlockMutexMock(0.2);
         $mutex->expects(self::once())
             ->method('acquire')
             ->with(self::anything(), 1.2)