Use composer script in .travis instead of calling tester directly

Author: trejjam

.travis.yml

@@ -28,7 +28,7 @@ jobs:
         -   stage: Code Coverage
             php: 7.1
             script:
-                - vendor/bin/tester -p phpdbg tests/cases -s --coverage ./coverage.xml --coverage-src ./src
+                - composer run-script coverage
             after_script:
                 - wget https://github.com/satooshi/php-coveralls/releases/download/v1.0.1/coveralls.phar
                 - php coveralls.phar --verbose --config tests/config/.coveralls.yml

composer.json

@@ -50,7 +50,7 @@
       "tester -s -p php --colors 1 -C -d soap.so tests/cases"
     ],
     "coverage": [
-      "tester -s -p php --colors 1 -C -d soap.so -d extension=xdebug.so --coverage coverage.xml --coverage-src src tests/cases"
+      "tester -s -p phpdbg --colors 1 -C -d soap.so -d extension=xdebug.so --coverage ./coverage.xml --coverage-src ./src ./tests/cases"
     ],
     "phpstan": [
       "phpstan analyse -l max -c tests/config/phpstan.neon src tests/cases"