Update .travis.yml

Author: Sunny Raj Rathod

.travis.yml

@@ -14,8 +14,10 @@ before_script:
 
 script:
     - vendor/phpunit/phpunit/phpunit --coverage-clover=coverage.clover
-    - vendor/phpunit/phpunit/phpunit sample-code-php/test-runner.php sample-code-php/
+    - cd sample-code-php
+    - composer update
+    - vendor/phpunit/phpunit/phpunit test-runner.php .
 
 after_script:
     - wget https://scrutinizer-ci.com/ocular.phar
-    - php ocular.phar code-coverage:upload --format=php-clover coverage.clover
+    - php ocular.phar code-coverage:upload --format=php-clover coverage.clover