diff --git a/tests/test_requests.py b/tests/test_requests.py
index 0ed79508..85c1b568 100755
--- a/tests/test_requests.py
+++ b/tests/test_requests.py
@@ -166,20 +166,19 @@ class TestRequests:
         assert r.history[0].is_redirect
 
     def test_HTTP_307_ALLOW_REDIRECT_POST(self, httpbin):
-        parts = urlparse(httpbin('post'))
-        url = "HTTP://" + parts.netloc + parts.path
-        r = requests.post(httpbin('redirect-to'), data='test', params={'url': url, 'status_code': 307})
+        r = requests.post(httpbin('redirect-to'), data='test', params={'url': 'post', 'status_code': 307})
         assert r.status_code == 200
         assert r.history[0].status_code == 307
         assert r.history[0].is_redirect
+        assert r.json()['data'] == 'test'
 
     def test_HTTP_307_ALLOW_REDIRECT_POST_WITH_SEEKABLE(self, httpbin):
-        parts = urlparse(httpbin('post'))
-        url = "HTTP://" + parts.netloc + parts.path
-        r = requests.post(httpbin('redirect-to'), data=io.BytesIO(b'test'), params={'url': url, 'status_code': 307})
+        byte_str = b'test'
+        r = requests.post(httpbin('redirect-to'), data=io.BytesIO(byte_str), params={'url': 'post', 'status_code': 307})
         assert r.status_code == 200
         assert r.history[0].status_code == 307
         assert r.history[0].is_redirect
+        assert r.json()['data'] == byte_str.decode('utf-8')
 
     def test_HTTP_302_TOO_MANY_REDIRECTS(self, httpbin):
         try: