Need to make an actual request to make connection.

Backup & restore the global context to hopefully fix subsequent test failures.

Author: JasonGowthorpe

test/test_SSLContext.py

@@ -64,27 +64,31 @@ def test_client_certificates(self):
 
     def test_HTTPConnection_with_missing_certs(self):
         # Clear any prevously created global context
+        backup_context = hyper.tls._context
         hyper.tls._context = None
         backup_cert_loc = hyper.tls.cert_loc
         hyper.tls.cert_loc = MISSING_PEM_FILE
 
         succeeded = False
         threwExpectedException = False
         try:
-            hyper.HTTP20Connection('http2bin.org', 443)
+            conn = hyper.HTTP20Connection('http2bin.org', 443)
+            conn.request('GET', '/', None, {})
             succeeded = True
         except hyper.common.exceptions.MissingCertFile:
             threwExpectedException = True
         except:
             pass
 
         hyper.tls.cert_loc = backup_cert_loc
+        hyper.tls._context = backup_context
 
         assert not succeeded
         assert threwExpectedException
 
     def test_HTTPConnection_with_missing_certs_and_custom_context(self):
         # Clear any prevously created global context
+        backup_context = hyper.tls._context
         hyper.tls._context = None
         backup_cert_loc = hyper.tls.cert_loc
         hyper.tls.cert_loc = MISSING_PEM_FILE
@@ -97,8 +101,10 @@ def test_HTTPConnection_with_missing_certs_and_custom_context(self):
         context.options |= ssl.OP_NO_COMPRESSION
 
         conn = hyper.HTTP20Connection('http2bin.org', 443, ssl_context=context)
+        conn.request('GET', '/', None, {})
 
         hyper.tls.cert_loc = backup_cert_loc
+        hyper.tls._context = backup_context
 
         assert conn.ssl_context.check_hostname
         assert conn.ssl_context.verify_mode == ssl.CERT_REQUIRED