diff --git a/tests/src/App/RouterTest.php b/tests/src/App/RouterTest.php
index 8317702cdf..987df5ff9c 100644
--- a/tests/src/App/RouterTest.php
+++ b/tests/src/App/RouterTest.php
@@ -57,6 +57,8 @@ class RouterTest extends TestCase
 		$this->cache->shouldReceive('set')->andReturn(false);
 
 		$this->lock = Mockery::mock(ILock::class);
+		$this->cache->shouldReceive('acquire')->andReturn(true);
+		$this->cache->shouldReceive('isLocked')->andReturn(false);
 	}
 
 	public function testGetModuleClass()