Extend proxy test timeout

Author: sfc-gh-astachowski

system_test/testProxy.js

@@ -18,7 +18,7 @@ describe('testProxy', function () {
       ],
       done
     );
-  });
+  }).timeout(360000);
 
   it('testSimpleSelectWithProxy', function (done) {
     const connection = snowflake.createConnection(connOptions.connectionWithProxy);