Revert "test: Fix unit testing failing due to new aiohttp version"

This reverts commit 6de7be6.

Author: alvarolopez

deepaas/tests/test_v1_api.py

@@ -78,14 +78,14 @@ async def test_predict_urls_not_implemented(self):
         ret = await self.client.post(
             "/v1/models/deepaas-test/predict",
             data={"url": "http://example.org/"})
-        self.assertEqual(400, ret.status)
+        self.assertEqual(501, ret.status)
 
     @test_utils.unittest_run_loop
     async def test_predict_various_urls_not_implemented(self):
         ret = await self.client.post(
             "/v1/models/deepaas-test/predict",
             data={"url": ["http://example.org/", "http://example.com"]})
-        self.assertEqual(400, ret.status)
+        self.assertEqual(501, ret.status)
 
     @test_utils.unittest_run_loop
     async def test_get_metadata(self):

deepaas/tests/test_v2_api.py

@@ -92,12 +92,13 @@ async def test_model_not_found(self):
     async def test_predict_no_parameters(self):
         ret = await self.client.post("/v2/models/deepaas-test/predict/")
         json = await ret.json()
+        print(json)
         self.assertDictEqual(
             {
                 'parameter': ['Missing data for required field.'],
                 'data': ['Missing data for required field.']
             },
-            json["json"]
+            json
         )
         self.assertEqual(422, ret.status)