wercker.yml: debug problematic test on test-all

Some test seems to hang
https://app.wercker.com/ruby/ruby/runs/mjit-test1/5bf1221c183106002855989c?step=5bf1225987436a0006192c31

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@65789 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

wercker.yml

@@ -53,7 +53,7 @@ mjit-test1:
         code: /usr/bin/sudo -H -u test -- make test-spec RUN_OPTS="--disable-gems --jit --jit-warnings"
     - script:
         name: make test-all (JIT)
-        code: /usr/bin/sudo -H -u test -- make test-all RUN_OPTS="--disable-gems --jit --jit-warnings" TESTOPTS="--color=never --job-status=normal --longest 10 --subprocess-timeout-scale=3.0 --excludes=test/excludes/_wercker/jit"
+        code: /usr/bin/sudo -H -u test -- make test-all RUN_OPTS="--disable-gems --jit --jit-warnings" TESTOPTS="-v --color=never --job-status=normal --longest 10 --subprocess-timeout-scale=3.0 --excludes=test/excludes/_wercker/jit"
 
     # --jit-wait
     - script: