Moved sample-code execution from after-script to ensure travis fails on its failure.

Added argument to pass submodule directory, so that sample code test-runner runs from sdk.

Author: ashtru

.travis.yml

@@ -9,12 +9,14 @@ sudo: false
 before_script:
     - pecl install xmldiff
     - composer install --prefer-dist --ignore-platform-reqs
-    - git submodule update --remote --recursive
+    - chmod +x ./test-sample-codes.sh
+    - git submodule update --remote --recursive 
 
 script:
     - vendor/phpunit/phpunit/phpunit --coverage-clover=coverage.clover
+	- vendor/phpunit/phpunit/phpunit sample-code-php/test-runner.php sample-code-php/
 
 after_script:
     - wget https://scrutinizer-ci.com/ocular.phar
     - php ocular.phar code-coverage:upload --format=php-clover coverage.clover
-    - vendor/phpunit/phpunit/phpunit ./sample-code-php/test-runner.php ./sample-code-php/SampleCodeList.txt
+