Do not calculate coverage for README.md generation (#488)

Author: kubawerlos

phpunit.xml

@@ -23,13 +23,8 @@
 
  <coverage>
  <include>
- <directory>./dev-tools/src/Readme</directory>
  <directory>./src</directory>
  </include>
- <exclude>
- <file>./dev-tools/src/Readme/php-cs-fixer.config.after.php</file>
- <file>./dev-tools/src/Readme/php-cs-fixer.config.before.php</file>
- </exclude>
  <report>
  <text outputFile='php://stdout' showOnlySummary='true' />
  </report>