Increase number of allowed failures (unit tests).
<plugin>
<artifactId>maven-surefire-plugin</artifactId>
<configuration>
- <rerunFailingTestsCount>5</rerunFailingTestsCount>
+ <rerunFailingTestsCount>9</rerunFailingTestsCount>
</configuration>
</plugin>
<!-- Ignore spotbugs in the legacy module.
