Remove redundant test call

Author: vearutop

.travis.yml

@@ -26,7 +26,6 @@ matrix:
   fast_finish: true
 
 script:
-  - php -derror_reporting="E_ALL & ~E_DEPRECATED" ./vendor/bin/phpunit -v --configuration phpunit.xml --coverage-text --coverage-clover=coverage.xml
   - if [[ $(phpenv version-name) =~ 7.3 ]] ; then make test-coverage; else make test; fi
   - if [[ $(phpenv version-name) =~ 7.2 ]] ; then make lint; fi