ci: quick refactor travis

.travis.yml

@@ -58,30 +58,16 @@ script:
 
 jobs:
   include:
-    # PHPstan
+    # PHPStan - CS
     - stage: PHPStan
       php: 7.3
+      env: MARIADB_VERSION=10.3 SET_INNODB_CONF=no
+      addons:
+        mariadb: 10.3
       script:
         - composer phpstan
-
-    # Coding standards
-    - stage: Coding standard
-      php: 7.3
-      script:
         - ./vendor/bin/php-cs-fixer --diff --dry-run -v fix
 
-    # Coverage
-    - stage: Coverage
-      php: 7.3
-      before_script:
-        - mv ~/.phpenv/versions/$(phpenv version-name)/etc/conf.d/xdebug.ini{.disabled,}
-        - if [[ ! $(php -m | grep -si xdebug) ]]; then echo "xdebug required for coverage"; exit 1; fi
-      script:
-        - ./vendor/bin/phpunit -v --coverage-clover coverage.xml
-      after_script:
-      #- wget https://scrutinizer-ci.com/ocular.phar
-      #- php ocular.phar code-coverage:upload --format=php-clover clover.xml
-
     # PHP 7.2
     - stage: Test
       php: 7.2