ci: remove "set -e" completely.

Correction for b9ed812 commit.

Author: php-coder

.travis.yml

@@ -15,15 +15,12 @@ jobs:
   allow_failures:
     - env: SPRING_PROFILES_ACTIVE=postgres
 
-# * set -e is needed to fail fast.
-#   See https://github.com/travis-ci/travis-ci/issues/10480
-# * travis_terminate allows us to gracefully handle "set -e" shutdown.
-#    See https://travis-ci.community/t/log-are-truncated-when-my-script-exits-abnormally/5878
+# travis_terminate is used for getting a fail-fast behavior and don't abort the execution of the Travis scripts.
+# See https://travis-ci.community/t/log-are-truncated-when-my-script-exits-abnormally/5878
 #
 # @todo #1054 Unify PostgreSQL version/configuration between Travis and docker-compose
 before_script:
   - trap 'travis_terminate 1' ERR;
-    set -e;
     if [ "$SPRING_PROFILES_ACTIVE" = 'travis' ]; then
       mysql -u root -e 'CREATE DATABASE mystamps CHARACTER SET utf8;';
       mkdir -p /tmp/uploads /tmp/preview;