fix travis script
diff --git a/tool/travis.sh b/tool/travis.sh
old mode 100644
new mode 100755
index 6b5e340..c153627
--- a/tool/travis.sh
+++ b/tool/travis.sh
@@ -10,6 +10,8 @@
 # Verify that the libraries are error free.
 dartanalyzer --fatal-warnings \
   lib/bazel_worker.dart \
+  lib/driver.dart \
+  lib/testing.dart \
   test/test_all.dart
 
 # Run the tests.