remove line echoing

Author: drinckes

run_tests.sh

@@ -2,9 +2,6 @@
 # Execute the JS tests for travis-ci.org integration testing platform.
 # The directory to test comes as the environment variable TEST_DIR.
 
-# Echo lines as they are executed.
-set -v
-
 # Use an "if" statement to check the value of TEST_DIR, then include commands
 # necessary to test that implmentation. Note that this script is running in the
 # top level directory, not in TEST_DIR. The commands must be followed with an
@@ -28,9 +25,8 @@ fi
 # Ruby?
 if [ "$TEST_DIR" == "ruby" ]; then
   rvm install 2.2.3
-  #source ~/.rvm/scripts/rvm
-  #rvm use 2.2.3
-  rvm alias create default 2.2.3
+  source ~/.rvm/scripts/rvm
+  rvm use 2.2.3
   gem install test-unit
   cd ruby && ruby test/plus_codes_test.rb
   exit