Fix tests

tests/TestCase/TestSuite/IntegrationTestTraitTest.php

@@ -331,7 +331,7 @@ class IntegrationTestTraitTest extends IntegrationTestCase
         $this->_request['headers'] = [ "Accept" => "application/json" ];
         $this->get('/json_response/api_get_data');
         $this->assertResponseCode(403);
-        $this->assertHeader('Content-Type', 'application/json; charset=UTF-8');
+        $this->assertHeader('Content-Type', 'application/json');
         $this->assertResponseContains('"message": "Sample Message"');
         $this->assertResponseContains('"code": 403');
     }
@@ -1137,7 +1137,7 @@ class IntegrationTestTraitTest extends IntegrationTestCase
     public function testContentTypeInAction()
     {
         $this->get('/tests_apps/set_type');
-        $this->assertHeader('Content-Type', 'application/json; charset=UTF-8');
+        $this->assertHeader('Content-Type', 'application/json');
         $this->assertContentType('json');
         $this->assertContentType('application/json');
     }