minor silexphp#146 fixed C tests (fabpot)

This PR was merged into the 2.1.x-dev branch.

Discussion
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fixed C tests

closes #131

Commits
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a26b44f fixed C tests

.travis.yml

@@ -21,7 +21,7 @@ before_script:
   - if [ "$PIMPLE_EXT" == "yes" ]; then echo "extension=pimple.so" >> `php --ini | grep "Loaded Configuration" | sed -e "s|.*:\s*||"`; fi
 
 script:
-  - if [ "$PIMPLE_EXT" == "yes" ]; then sh -c "cd ext/pimple && yes n | make test"; fi
+  - if [ "$PIMPLE_EXT" == "yes" ]; then sh -c "cd ext/pimple && yes n | make test | grep -E 'Tests failed +. +0'"; fi
   - phpunit
 
 matrix: