[Truffle] Include MRI tests on Travis again.

Author: chrisseaton

.travis.yml

@@ -41,6 +41,7 @@ env:
     - PHASE='-Ptruffle-specs-language'
     - PHASE='-Ptruffle-specs-core'
     - PHASE='-Ptruffle-specs-library'
+    - PHASE='-Ptruffle-mri-tests'
 
 matrix:
   include:
@@ -73,7 +74,7 @@ matrix:
   fast_finish: true
   allow_failures:
     - env: COMMAND=test/truffle/run.sh
-    - PHASE='-Ptruffle-mri-tests'
+    - env: PHASE='-Ptruffle-mri-tests'
 
 
 branches: