Autofix new RuboCop offenses

Author: issyl0

test/test_client_errors.rb

@@ -310,7 +310,7 @@ def test_errors_collection
       "errors" => [
         {
           "message" => "b00m",
-          "locations" => [{"line" => 1, "column" => 3}],
+          "locations" => [{ "line" => 1, "column" => 3 }],
           "path" => ["nullableError"]
         }
       ]

test/test_client_schema.rb

@@ -61,7 +61,7 @@ def test_dump_schema_io
 
   def test_dump_schema_context
     conn = FakeConn.new
-    GraphQL::Client.dump_schema(conn, StringIO.new, context: { user_id: 1})
+    GraphQL::Client.dump_schema(conn, StringIO.new, context: { user_id: 1 })
     assert_equal({ user_id: 1 }, conn.context)
   end
 end

test/test_query_result.rb

@@ -270,7 +270,7 @@ def test_snakecase_field_aliases
     GRAPHQL
 
     person = Temp::Person.new(@client.query(Temp::Query).data.me)
-    raw_result = {"firstName"=>"Joshua", "lastName"=>"Peek"}
+    raw_result = { "firstName" => "Joshua", "lastName" => "Peek" }
     assert_equal raw_result, person.to_h
     assert_equal raw_result, person.to_hash