apply style ci changes

Author: SjorsO

tests/Integration/AssertionTest.php

@@ -44,7 +44,7 @@ public function can_match_a_json_snapshot()
     /** @test */
     public function can_match_a_file_hash_snapshot()
     {
-        $filePath = __DIR__ . '/stubs/example_snapshots/snapshot.json';
+        $filePath = __DIR__.'/stubs/example_snapshots/snapshot.json';
 
         $this->assertMatchesFileHashSnapshot($filePath);
     }

tests/Unit/Drivers/FileHashDriverTest.php

@@ -13,7 +13,7 @@ public function it_can_hash_a_file()
     {
         $driver = new FileHashDriver();
 
-        $filePath = __DIR__ . '/files/example-file.txt';
+        $filePath = __DIR__.'/files/example-file.txt';
 
         $expected = sha1_file($filePath);
 
@@ -27,6 +27,6 @@ public function it_throws_an_exception_if_the_file_does_not_exist()
 
         $this->expectException(Exception::class);
 
-        $driver->serialize(__DIR__ . '/files/fake-file-path');
+        $driver->serialize(__DIR__.'/files/fake-file-path');
     }
 }