tests: run ansible with -vvv to catch copy hang

.travis/ansible_tests.sh

@@ -34,6 +34,7 @@ echo travis_fold:end:job_setup
 echo travis_fold:start:mitogen_linear
 /usr/bin/time ./mitogen_ansible_playbook.sh \
     integration/all.yml \
+    -vvv \
     -i "${TMPDIR}/hosts"
 echo travis_fold:end:mitogen_linear
 
@@ -41,5 +42,6 @@ echo travis_fold:end:mitogen_linear
 echo travis_fold:start:vanilla_ansible
 /usr/bin/time ./run_ansible_playbook.sh \
     integration/all.yml \
+    -vvv \
     -i "${TMPDIR}/hosts"
 echo travis_fold:end:vanilla_ansible