[test] Pass --no-turbo-verify-allocation in nosnap builds

This is to speed up slow nosnap runs. Allocation verification is covered by
running mksnapshot on other builders.

Change-Id: I9c286f7dd4abac9cf1be45be4a483a7b36d09f8a
Reviewed-on: https://chromium-review.googlesource.com/1059113Reviewed-by: Jakob Gruber <jgruber@chromium.org>
Reviewed-by: Yang Guo <yangguo@chromium.org>
Commit-Queue: Michael Achenbach <machenbach@chromium.org>
Cr-Commit-Position: refs/heads/master@{#53234}

tools/testrunner/standard_runner.py

@@ -165,6 +165,11 @@ class StandardTestRunner(base_runner.BaseTestRunner):
         options.extra_flags.append("--invoke-weak-callbacks")
         options.extra_flags.append("--omit-quit")
 
+      if self.build_config.no_snap:
+        # Speed up slow nosnap runs. Allocation verification is covered by
+        # running mksnapshot on other builders.
+        options.extra_flags.append("--no-turbo-verify-allocation")
+
       if options.novfp3:
         options.extra_flags.append("--noenable-vfp3")