[test-runner] Add dedicated test mode for tryserver.

tools/run-tests.py

Index: tools/run-tests.py
diff --git a/tools/run-tests.py b/tools/run-tests.py
index f7e77ca1543a1ab67c15c4fe4b90d58cf5737a57..70fc98f142ca25866a69810c46bd504ccf247274 100755
--- a/tools/run-tests.py
+++ b/tools/run-tests.py
@@ -112,8 +112,18 @@ MODES = {
     "execution_mode": "release",
     "output_folder": "release",
   },
-  # This mode requires v8 to be compiled with dchecks and slow dchecks.
+  # Normal trybot release configuraion. There, dchecks are always on which

[Jakob Kummerow, 2015/04/20 15:26:02]

nit: configuration

[Michael Achenbach, 2015/04/21 07:45:22]

Done.

+  # implies debug is set. Hence, the status file needs to assume debug-like
+  # behavior/timeouts.
   "tryrelease": {
+    "flags": RELEASE_FLAGS,
+    "timeout_scalefactor": 1,

[Jakob Kummerow, 2015/04/20 15:26:02]

Contrary to the expectation set by the comment above, this doesn't appear to be
a very debug-like timeout_scalefactor. Is that intentional?

[Michael Achenbach, 2015/04/21 07:45:22]

Yes. It should make a difference to the slow version below which has slow
asserts enabled. I will increase it if it's not enough.

+    "status_mode": "debug",
+    "execution_mode": "release",
+    "output_folder": "release",
+  },
+  # This mode requires v8 to be compiled with dchecks and slow dchecks.

[Michael Achenbach, 2015/04/20 13:22:33]

This has not been used yet.

+  "slowrelease": {
     "flags": RELEASE_FLAGS + ["--enable-slow-asserts"],
     "timeout_scalefactor": 2,
     "status_mode": "debug",