Let's try to use more buck on travis

.buckconfig

@@ -50,5 +50,10 @@
   # Tests
   chrome-test   = //java/client/test/org/openqa/selenium/chrome:chrome
   firefox-test  = //java/client/test/org/openqa/selenium/firefox:marionette
+  legacy-firefox-test = //java/client/test/org/openqa/selenium/firefox:test-synthesized
+  internal-grid-test = //java/server/test/org/openqa/grid/common:common //java/server/test/org/openqa/grid:grid //java/server/test/org/openqa/grid/e2e:e2e
   grid-test     = //java/client/test/org/openqa/selenium/remote:remote-driver-grid-tests
   htmlunit-test = //java/client/test/org/openqa/selenium/htmlunit:htmlunit
+  ie-test       = //java/client/test/org/openqa/selenium/ie:ie
+  opera-test    = //java/client/test/org/openqa/selenium/opera:opera
+  java-small-tests = //java/client/test/org/openqa/selenium:small-tests //java/client/test/org/openqa/selenium/json:small-tests //java/client/test/org/openqa/selenium/support:small-tests //java/client/test/org/openqa/selenium/remote:common-tests //java/client/test/org/openqa/selenium/remote:client-tests //java/server/test/org/openqa/grid/selenium/node:node //java/server/test/org/openqa/grid/selenium/proxy:proxy //java/server/test/org/openqa/selenium/remote/server:small-tests //java/server/test/org/openqa/selenium/remote/server/log:test

.travis.yml

@@ -66,30 +66,28 @@ matrix:
       <<: *python
       <<: *firefox-nightly
   include:
-    - env: TASK=build
+    - 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"
       <<: *java
-    - env: BUCK="build selenium-server-standalone"
-      <<: *java
-    - env: TASK=//java/client/test/org/openqa/selenium/atoms:test:run
+    - 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"
       <<: *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"
       <<: *java
       <<: *firefox-latest
-    - env: TASK=//java/client/test/org/openqa/selenium/firefox:test-synthesized:run
+    - env: BUCK="test legacy-firefox-test"
       <<: *java
       <<: *firefox-esr
-    - env: MARIONETTE=1 TASK=//java/client/test/org/openqa/selenium/firefox:marionette:run
+    - env: MARIONETTE=1 BUCK="test firefox-test"
       <<: *java
       <<: *firefox-nightly
-    - env: TASK=test_java_small_tests
+    - env: BUCK="test java-small-tests"
       <<: *java
-    - env: MARIONETTE=1 TASK=test_grid
+    - env: MARIONETTE=1 BUCK="test internal-grid-test grid-test"
       <<: *java
       <<: *firefox-nightly
-    - env: TASK=test_htmlunit
+    - env: BUCK="test htmlunit-test"
       <<: *java
     - env: TASK=javadocs
       <<: *java