tests: Make puppeteer tests run in full suites and CircleCI.

tools/ci/frontend

@@ -27,6 +27,8 @@ PYTHONWARNINGS=ignore ./tools/check-frontend-i18n --no-generate
 #
 # ./tools/test-js-with-casper --xunit-export
 
+./tools/test-js-with-puppeteer
+
 # NB: Everything here should be in `tools/test-all`.  If there's a
 # reason not to run it there, it should be there as a comment
 # explaining why.

tools/test-all

@@ -72,6 +72,7 @@ run ./tools/test-js-with-node
 run ./manage.py makemessages --locale en
 run env PYTHONWARNINGS=ignore ./tools/check-capitalization --no-generate
 run env PYTHONWARNINGS=ignore ./tools/check-frontend-i18n --no-generate
+run ./tools/test-js-with-puppeteer $FORCEARG
 run ./tools/test-js-with-casper $FORCEARG
 
 printf '\n\e[32mAll OK!\e[0m\n'

tools/test-js-with-puppeteer

@@ -79,6 +79,12 @@ def run_tests(files: Iterable[str], external_host: str) -> None:
             ret = 1
             ret = run_tests()
     if ret != 0:
+        print("""
+The Puppeteer frontend tests failed! Please report and ask for help in chat.zulip.org""", file=sys.stderr)
+        if os.environ.get("CIRCLECI"):
+            print("", file=sys.stderr)
+            print("In CircleCI, the Artifacts tab contains screenshots of the failure.", file=sys.stderr)
+            print("", file=sys.stderr)
         sys.exit(ret)
 
 external_host = "zulipdev.com:9981"