minor symfony#13673 phpunit --colors=always (nicolas-grekas)

This PR was merged into the 2.3 branch.

Discussion
----------

phpunit --colors=always

| Q             | A
| ------------- | ---
| Bug fix?      | no
| New feature?  | no
| BC breaks?    | no
| Deprecations? | no
| Tests pass?   | yes
| Fixed tickets | -
| License       | MIT
| Doc PR        | -

Commits
-------

9d94dbf phpunit --colors=always

Author: fabpot

.travis.yml

@@ -39,7 +39,7 @@ install:
     - if [ "$components" = "no" ]; then composer --prefer-source install; fi;
 
 script:
-    - if [ "$components" = "no" ]; then ls -d src/Symfony/*/* | parallel --gnu --keep-order 'echo -e "\\nRunning {} tests"; phpunit --exclude-group tty,benchmark,intl-data {} || (echo -e "\\e[41mKO\\e[0m {}" && $(exit 1));'; fi;
-    - if [ "$components" = "no" ]; then echo -e "\\nRunning tests requiring tty"; phpunit --group tty || (echo -e "\\e[41mKO\\e[0m tty group" && $(exit 1)); fi;
-    - if [ "$components" = "high" ]; then find src/Symfony -mindepth 3 -type f -name phpunit.xml.dist | sed 's#\(.*\)/.*#\1#' | parallel --gnu --keep-order -j25% 'echo -e "\\nRunning {} tests"; cd {}; composer --prefer-source update; phpunit --exclude-group tty,benchmark,intl-data || (echo -e "\\e[41mKO\\e[0m {}" && $(exit 1));'; fi;
-    - if [ "$components" = "low" ]; then find src/Symfony -mindepth 3 -type f -name phpunit.xml.dist | sed 's#\(.*\)/.*#\1#' | parallel --gnu --keep-order -j25% 'echo -e "\\nRunning {} tests"; cd {}; composer --prefer-source --prefer-lowest --prefer-stable update; phpunit --exclude-group tty,benchmark,intl-data || (echo -e "\\e[41mKO\\e[0m {}" && $(exit 1));'; fi;
+    - if [ "$components" = "no" ]; then ls -d src/Symfony/*/* | parallel --gnu --keep-order 'echo -e "\\nRunning {} tests"; phpunit --colors=always --exclude-group tty,benchmark,intl-data {} || (echo -e "\\e[41mKO\\e[0m {}" && $(exit 1));'; fi;
+    - if [ "$components" = "no" ]; then echo -e "\\nRunning tests requiring tty"; phpunit --colors=always --group tty || (echo -e "\\e[41mKO\\e[0m tty group" && $(exit 1)); fi;
+    - if [ "$components" = "high" ]; then find src/Symfony -mindepth 3 -type f -name phpunit.xml.dist | sed 's#\(.*\)/.*#\1#' | parallel --gnu --keep-order -j25% 'echo -e "\\nRunning {} tests"; cd {}; composer --prefer-source update; phpunit --colors=always --exclude-group tty,benchmark,intl-data || (echo -e "\\e[41mKO\\e[0m {}" && $(exit 1));'; fi;
+    - if [ "$components" = "low" ]; then find src/Symfony -mindepth 3 -type f -name phpunit.xml.dist | sed 's#\(.*\)/.*#\1#' | parallel --gnu --keep-order -j25% 'echo -e "\\nRunning {} tests"; cd {}; composer --prefer-source --prefer-lowest --prefer-stable update; phpunit --colors=always --exclude-group tty,benchmark,intl-data || (echo -e "\\e[41mKO\\e[0m {}" && $(exit 1));'; fi;