diff --git a/test/mitmproxy/net/test_tls.py b/test/mitmproxy/net/test_tls.py
index 489bf89f..c78472e3 100644
--- a/test/mitmproxy/net/test_tls.py
+++ b/test/mitmproxy/net/test_tls.py
@@ -87,14 +87,16 @@ def test_get_client_hello():
     rfile = io.BufferedReader(io.BytesIO(
         FULL_CLIENT_HELLO_NO_EXTENSIONS[:30]
     ))
-    with pytest.raises(exceptions.TlsProtocolException, message="Unexpected EOF"):
+    with pytest.raises(exceptions.TlsProtocolException):
         tls.get_client_hello(rfile)
+        pytest.fail("Unexpected EOF")
 
     rfile = io.BufferedReader(io.BytesIO(
         b"GET /"
     ))
-    with pytest.raises(exceptions.TlsProtocolException, message="Expected TLS record"):
+    with pytest.raises(exceptions.TlsProtocolException):
         tls.get_client_hello(rfile)
+        pytest.fail("Expected TLS record")
 
 
 class TestClientHello:
@@ -153,5 +155,6 @@ class TestClientHello:
             b"\x01\x00\x00\x03" +  # handshake header
             b"foo"
         ))
-        with pytest.raises(exceptions.TlsProtocolException, message='Cannot parse Client Hello'):
+        with pytest.raises(exceptions.TlsProtocolException):
             tls.ClientHello.from_file(rfile)
+            pytest.fail('Cannot parse Client Hello')