Fix code style

Author: Art4

tests/Fixtures/AccessableTraitMock.php

@@ -11,6 +11,7 @@
 use Art4\JsonApiClient\Accessable;
 use Art4\JsonApiClient\Helper\AccessableTrait;
 
-class AccessableTraitMock implements Accessable {
+class AccessableTraitMock implements Accessable
+{
     use AccessableTrait;
 }

tests/Unit/Helper/AccessableTraitTest.php

@@ -30,7 +30,7 @@ public function testHasWithInvalidKeyTypeTriggersDeprecationError($key): void
         set_error_handler(
             function ($errno, $errstr) use ($key): bool {
                 $this->assertSame(
-                    'Art4\JsonApiClient\Tests\Fixtures\AccessableTraitMock::has(): Providing Argument #1 ($key) as '.gettype($key).' is deprecated since 1.2.0, please provide as int|string|Art4\JsonApiClient\Helper\AccessKey instead.',
+                    'Art4\JsonApiClient\Tests\Fixtures\AccessableTraitMock::has(): Providing Argument #1 ($key) as ' . gettype($key) . ' is deprecated since 1.2.0, please provide as int|string|Art4\JsonApiClient\Helper\AccessKey instead.',
                     $errstr
                 );
 
@@ -56,7 +56,7 @@ public function testGetWithInvalidKeyTypeTriggersDeprecationError($key): void
         set_error_handler(
             function ($errno, $errstr) use ($key): bool {
                 $this->assertSame(
-                    'Art4\JsonApiClient\Tests\Fixtures\AccessableTraitMock::get(): Providing Argument #1 ($key) as '.gettype($key).' is deprecated since 1.2.0, please provide as int|string|Art4\JsonApiClient\Helper\AccessKey instead.',
+                    'Art4\JsonApiClient\Tests\Fixtures\AccessableTraitMock::get(): Providing Argument #1 ($key) as ' . gettype($key) . ' is deprecated since 1.2.0, please provide as int|string|Art4\JsonApiClient\Helper\AccessKey instead.',
                     $errstr
                 );