Speed up JS tests by running them in parallel

Author: shs96c

.travis.yml

@@ -47,7 +47,7 @@ matrix:
     - env: CHROME=1 TASK=test_chrome
       <<: *java
       <<: *chrome
-    - env: TASK="//javascript/atoms:atoms //javascript/webdriver:all_js //javascript/ie-driver:atoms //javascript/chrome-driver:atoms //javascript/android-atoms:atoms ios_driver"
+    - env: BUCK="//javascript/atoms:atoms //javascript/webdriver:all_js //javascript/ie-driver:atoms //javascript/chrome-driver:atoms //javascript/android-atoms:atoms ios_driver"
       <<: *java
     - env: TOXENV=flake8
       <<: *python
@@ -66,14 +66,16 @@ matrix:
       <<: *python
       <<: *firefox-nightly
   include:
-    - env: BUCK="build selenium-server-standalone java-small-tests chrome-test firefox-test legacy-firefox-test grid-test htmlunit-test ie-test opera-test java-tests"
+    - env: TASK="calcdeps"
+      <<: *java
+    - env: BUCK="build selenium-server-standalone java-small-tests chrome-test firefox-test legacy-firefox-test grid-test htmlunit-test ie-test opera-test java-small-tests"
       <<: *java
     - env: BUCK="test //java/client/test/org/openqa/selenium/atoms:test"
       <<: *java
-    - env: CHROME=1 TASK="calcdeps //javascript/atoms:atoms-chrome:run //javascript/selenium-atoms:selenium-atoms-chrome:run //javascript/selenium-core:selenium-core-chrome:run //javascript/webdriver:webdriver-chrome:run"
+    - env: CHROME=1 TASK="calcdeps" BUCK="test //javascript/atoms:atoms-chrome //javascript/selenium-atoms:selenium-atoms-chrome //javascript/selenium-core:selenium-core-chrome //javascript/webdriver:webdriver-chrome"
       <<: *java
       <<: *chrome
-    - env: MARIONETTE=1 TASK="calcdeps //javascript/atoms:atoms-firefox:run //javascript/webdriver:webdriver-firefox:run //javascript/selenium-atoms:selenium-atoms-firefox:run //javascript/selenium-core:selenium-core-firefox:run"
+    - env: MARIONETTE=1 TASK="calcdeps" BUCK="test //javascript/atoms:atoms-firefox //javascript/webdriver:webdriver-firefox //javascript/selenium-atoms:selenium-atoms-firefox //javascript/selenium-core:selenium-core-firefox"
       <<: *java
       <<: *firefox-latest
     - env: BUCK="test legacy-firefox-test"

scripts/travis/script.sh

@@ -12,10 +12,11 @@ if [[ ! -z $TOXENV ]]; then
   tox -c py/tox.ini
 fi
 
-if [[ ! -z "$BUCK" ]]; then
-  ./buckw $BUCK
-fi
-
+# Ordering matters here. We want rake tasks to run first
 if [[ ! -z $TASK ]]; then
   ./go $TASK
 fi
+
+if [[ ! -z "$BUCK" ]]; then
+  ./buckw $BUCK
+fi