diff --git a/ate/runner.py b/ate/runner.py
index ac1ca0ef..0edda437 100644
--- a/ate/runner.py
+++ b/ate/runner.py
@@ -5,8 +5,8 @@ from ate.context import Context
 
 class TestRunner(object):
 
-    def __init__(self):
-        self.client = HttpSession()
+    def __init__(self, base_url=None):
+        self.client = HttpSession(base_url)
         self.context = Context()
 
     def init_context(self, config_dict, level):
diff --git a/test/test_client.py b/test/test_client.py
index 777351ab..f5fa6b5a 100644
--- a/test/test_client.py
+++ b/test/test_client.py
@@ -15,20 +15,22 @@ class TestHttpClient(ApiServerUnittest):
         url = "%s/api/users" % self.host
         return self.api_client.delete(url)
 
-    def create_user(self, uid, name, password):
-        url = "%s/api/users/%d" % (self.host, uid)
+    def test_request_with_full_url(self):
+        url = "%s/api/users/1000" % self.host
         data = {
-            'name': name,
-            'password': password
+            'name': 'user1',
+            'password': '123456'
         }
-        return self.api_client.post(url, json=data)
-
-    def test_create_user_not_existed(self):
-        resp = self.create_user(1000, 'user1', '123456')
+        resp = self.api_client.post(url, json=data)
         self.assertEqual(201, resp.status_code)
         self.assertEqual(True, resp.json()['success'])
 
-    def test_create_user_existed(self):
-        resp = self.create_user(1000, 'user1', '123456')
-        resp = self.create_user(1000, 'user1', '123456')
-        self.assertEqual(500, resp.status_code)
+    def test_request_without_base_url(self):
+        url = "/api/users/1000"
+        data = {
+            'name': 'user1',
+            'password': '123456'
+        }
+        resp = self.api_client.post(url, json=data)
+        self.assertEqual(201, resp.status_code)
+        self.assertEqual(True, resp.json()['success'])
diff --git a/test/test_runner.py b/test/test_runner.py
index 729ec460..ec008bb1 100644
--- a/test/test_runner.py
+++ b/test/test_runner.py
@@ -6,7 +6,8 @@ from test.base import ApiServerUnittest
 class TestRunner(ApiServerUnittest):
 
     def setUp(self):
-        self.test_runner = runner.TestRunner()
+        base_url = "http://127.0.0.1:5000"
+        self.test_runner = runner.TestRunner(base_url)
         self.clear_users()
 
     def clear_users(self):
@@ -31,7 +32,7 @@ class TestRunner(ApiServerUnittest):
         testcase = {
             "name": "create user which does not exist",
             "request": {
-                "url": "http://127.0.0.1:5000/api/users/1000",
+                "url": "/api/users/1000",
                 "method": "POST",
                 "headers": {
                     "content-type": "application/json"