.travis.yml in env_pull_request-0.3.2 vs .travis.yml in env_pull_request-0.3.3

@@ -1,12 +1,20 @@
+# CAUTION: DO NOT ADD encrypted value!
+#          test/test_test_helper.rb asserts ENV.
+#          And this will show ENV accidentally in CI log.
 language: "ruby"
 rvm:
+  - "1.9"
   - "2.0"
   - "2.1"
   - "2.2"
   - "ruby-head"
 matrix:
   allow_failures:
     - rvm: "ruby-head"
 before_install:
   - "gem update bundler"
   - "bin/setup"
+before_script:
+  - "printenv"
+after_script:
+  - "printenv"