PHPUnit update

Author: otherguy

.travis.yml

@@ -1,17 +1,17 @@
 language: php
 
 php:
-  - 7.1
-  - 7.2
-  - 7.3
+  - "7.1"
+  - "7.2"
+  - "7.3"
 
 install:
   - curl -s http://getcomposer.org/installer | php
   - php composer.phar install --dev --no-interaction
 
 script:
-  - mkdir -p build/logs
-  - vendor/bin/phpunit --coverage-clover build/logs/clover.xml
+  - mkdir -p build
+  - vendor/bin/phpunit
 
 after_success:
-  - travis_retry php vendor/bin/php-coveralls
+  - travis_retry php vendor/bin/php-coveralls --coverage_clover build/cov.xml --json_path build/coverage.json

composer.json

@@ -22,9 +22,12 @@
 		"guzzlehttp/guzzle": "^6.3"
 	},
 	"require-dev": {
+		"mihaeu/test-generator": "^1.3",
 		"php-coveralls/php-coveralls": "^2.1",
 		"phpunit/php-code-coverage": "^6.1",
-		"phpunit/phpunit": "^7.0"
+    "phpunit/phpunit": "^7.0",
+    "phpdocumentor/phpdocumentor": "2.*",
+    "sebastian/phpcpd": "2.*"
 	},
 	"suggest": {
 		"ext-curl": "Faster HTTP requests"