Remove redundant test runner from travis config

Author: vearutop

.travis.yml

@@ -27,7 +27,6 @@ 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 bench bench-master bench-compare; fi
 

Makefile

@@ -12,10 +12,10 @@ docker-lint:
 	@docker run -v $$PWD:/app --rm phpstan/phpstan analyze -l 7 -c phpstan.neon ./src
 
 test:
-	@php -derror_reporting="E_ALL & ~E_DEPRECATED" vendor/bin/phpunit
+	@php -derror_reporting="E_ALL & ~E_DEPRECATED" vendor/bin/phpunit --configuration phpunit.xml
 
 test-coverage:
-	@php -derror_reporting="E_ALL & ~E_DEPRECATED" -dzend_extension=xdebug.so vendor/bin/phpunit --coverage-text --coverage-clover=coverage.xml
+	@php -derror_reporting="E_ALL & ~E_DEPRECATED" -dzend_extension=xdebug.so vendor/bin/phpunit --configuration phpunit.xml --coverage-text --coverage-clover=coverage.xml
 
 phpbench:
 	@test -f ${HOME}/.cache/composer/phpbench-${PHPBENCH_VERSION}.phar || (mkdir -p ${HOME}/.cache/composer/ && wget https://github.com/phpbench/phpbench/releases/download/${PHPBENCH_VERSION}/phpbench.phar -O ${HOME}/.cache/composer/phpbench-${PHPBENCH_VERSION}.phar)