fix tests

tests/Feature/Api/V1/FullSurface/ApiMobileClientToleranceContractTest.php

@@ -23,7 +23,7 @@ class ApiMobileClientToleranceContractTest extends FullSurfaceE2EContractCase
             ])->json($method, $this->materializePath($uri), $this->payloadFor($method, $uri));
 
             $this->assertControlled($response, $method, $uri);
-            $this->assertNoServerError($response, 'mobile headers at ' . $method . ' ' . $uri);
+            $this->assertNoServerError($response, 'mobile headers at '.$method.' '.$uri);
         }
     }
 
@@ -43,7 +43,7 @@ class ApiMobileClientToleranceContractTest extends FullSurfaceE2EContractCase
 
             $this->assertControlled($first, $method, $uri);
             $this->assertControlled($second, $method, $uri);
-            $this->assertNoServerError($second, 'mobile retry at ' . $method . ' ' . $uri);
+            $this->assertNoServerError($second, 'mobile retry at '.$method.' '.$uri);
         }
     }
 }