testkit: Speedup the test by enable skip the browser tests (#772)

Browser tests are consuming a huge amount of time and making the testkit PR take a long time just to change unrelated issue.

The env var `TEST_DRIVER_SKIP_BROWSER` could be used to skip the browser tests.

Co-authored-by: Rouven Bauer <[email protected]>

Author: bigmontz

testkit/integration.py

@@ -8,7 +8,9 @@ def run(args):
 
 
 def test_driver():
-    run(["gulp", "test-browser"])
+    if (os.environ.get("TEST_DRIVER_SKIP_BROWSER", "false").lower()
+            in ("y", "yes", "t", "true", "1", "on")):
+        run(["gulp", "test-browser"])
     run(["gulp", "test-nodejs-integration"])