Apply fixes from StyleCI

Author: spawnia

src/utils.php

@@ -28,7 +28,8 @@ function extractStringFromLiteral($valueNode): string
 {
     if (!$valueNode instanceof StringValueNode) {
         throw new Error(
-            "Query error: Can only parse strings got: {$valueNode->kind}", [$valueNode]
+            "Query error: Can only parse strings got: {$valueNode->kind}",
+            [$valueNode]
         );
     }
 

tests/MixedTest.php

@@ -185,7 +185,8 @@ protected function executeQueryWithJsonVariable(string $jsonLiteral): ExecutionR
         }
         ';
 
-        $json = json_decode("
+        $json = json_decode(
+            "
         {
             \"var\": $jsonLiteral
         }