diff --git a/Pipfile b/Pipfile
index 1c4fe32b..c5a4c49f 100644
--- a/Pipfile
+++ b/Pipfile
@@ -6,18 +6,17 @@ name = "pypi"
 [packages]
 requests = "*"
 pyyaml = "*"
-"jinja2" = "*"
-"har2case" = "*"
+jinja2 = "*"
+har2case = "*"
 colorama = "*"
 colorlog = "*"
 requests-toolbelt = "*"
 
 [dev-packages]
 Flask = "<1.0.0"
-httpbin = "*"
 coverage = "*"
 coveralls = "*"
 twine = "*"
-"contextlib2" = "*"
+contextlib2 = "*"
 
 [scripts]
diff --git a/tests/test_response.py b/tests/test_response.py
index 490488e6..df8c275c 100644
--- a/tests/test_response.py
+++ b/tests/test_response.py
@@ -260,7 +260,7 @@ class TestResponse(ApiServerUnittest):
         extract_binds_dict = resp_obj.extract_response(extract_binds_list)
 
         self.assertIsInstance(extract_binds_dict["resp_content"], str)
-        self.assertIn("python-requests.org", extract_binds_dict["resp_content"])
+        self.assertIn("httpbin.org", extract_binds_dict["resp_content"])
 
         extract_binds_list = [
             {"resp_content": "content.xxx"}
diff --git a/tests/test_runner.py b/tests/test_runner.py
index 65dd10e5..6024e1c2 100644
--- a/tests/test_runner.py
+++ b/tests/test_runner.py
@@ -161,7 +161,7 @@ class TestRunner(ApiServerUnittest):
         end_time = time.time()
         summary = runner.summary
         self.assertTrue(summary["success"])
-        self.assertLess(end_time - start_time, 1)
+        self.assertLess(end_time - start_time, 3)
 
     def test_run_httprunner_with_teardown_hooks_alter_response(self):
         testsets = [