Trying phpunit 5.7 for all tests.

Author: judgej

.travis.yml

@@ -8,13 +8,23 @@ php:
 
 matrix:
   allow_failures:
+    # Requires phpunit 5.7 (3.7 works up to PHP 7.1)
     - php: 7.2
 
 before_script:
   - composer install -n --dev --prefer-source
+  - wget -O phpunit https://phar.phpunit.de/phpunit-5.phar
+  - chmod +x phpunit
 
-script: vendor/bin/phpcs --standard=PSR2 src && vendor/bin/phpunit --coverage-text --coverage-clover=coverage.clover
+script:
+  - vendor/bin/phpcs --standard=PSR2 src
+  #- vendor/bin/phpunit --coverage-text --coverage-clover=coverage.clover
+  - phpunit --coverage-text --coverage-clover=coverage.clover
 
 after_script:
-    - wget https://scrutinizer-ci.com/ocular.phar
-    - php ocular.phar code-coverage:upload --format=php-clover coverage.clover
+  - wget https://scrutinizer-ci.com/ocular.phar
+  - php ocular.phar code-coverage:upload --format=php-clover coverage.clover
+
+# TODO: For PHP7.2, get phpunit 5.7:
+# wget -O phpunit https://phar.phpunit.de/phpunit-5.phar
+# Set it for execute permission.