fix run_interop_tests.py

tools/run_tests/run_interop_tests.py

@@ -53,8 +53,7 @@ _CLOUD_TO_CLOUD_BASE_ARGS = [
 # supported by C core SslCredentials instead.
 _SSL_CERT_ENV = { 'SSL_CERT_FILE':'/usr/local/share/grpc/roots.pem' }
 
-# TODO(jtatttermusch) unify usage of --enable_ssl, --use_tls and --use_tls=true
-
+# TODO(jtatttermusch) unify usage of --use_tls and --use_tls=true
 
 class CXXLanguage:
 
@@ -64,11 +63,11 @@ class CXXLanguage:
 
   def cloud_to_prod_args(self):
     return (self.client_cmdline_base + _CLOUD_TO_PROD_BASE_ARGS +
-            ['--enable_ssl','--use_prod_roots'])
+            ['--use_tls=true','--use_prod_roots'])
 
   def cloud_to_cloud_args(self):
     return (self.client_cmdline_base + _CLOUD_TO_CLOUD_BASE_ARGS +
-            ['--enable_ssl'])
+            ['--use_tls=true'])
 
   def cloud_to_prod_env(self):
     return None
@@ -327,4 +326,4 @@ else:
   jobset.message('FAILED', 'Some tests failed', do_newline=True)
 
 tree = ET.ElementTree(root)
-tree.write('report.xml', encoding='UTF-8')
+tree.write('report.xml', encoding='UTF-8')