Build fails in org.apache.maven.plugins:maven-surefire-report-plugin when running without clean

....
[INFO] --< org.apache.apache.resources:apache-source-release-assembly-descriptor >--
[INFO] Building Apache Source Release Assembly Descriptor 1.6-SNAPSHOT    [5/7]
[INFO]   from source-release/pom.xml
[INFO] --------------------------------[ jar ]---------------------------------
...
[INFO] --- surefire:3.2.5:test (default-test) @ apache-source-release-assembly-descriptor ---
[INFO] Using auto detected provider org.apache.maven.surefire.junit4.JUnit4Provider
[INFO] 
[INFO] -------------------------------------------------------
[INFO]  T E S T S
[INFO] -------------------------------------------------------
[ERROR] org/apache/assembly/it/AppTest (wrong name: basics/basics-child1/target/test-classes/org/apache/assembly/it/AppTest)
...
[ERROR] Failed to execute goal org.apache.maven.plugins:maven-site-plugin:3.12.1:site (default-site) on project apache-source-release-assembly-descriptor: failed to get report for org.apache.maven.plugins:maven-surefire-report-plugin: Failed to execute goal org.apache.maven.plugins:maven-surefire-plugin:3.2.5:test (default-test) on project apache-source-release-assembly-descriptor: 
[ERROR] 
[ERROR] Please refer to /Users/konradwindszus/git/maven/maven-apache-resources/source-release/target/surefire-reports for the individual test results.
[ERROR] Please refer to dump files (if any exist) [date].dump, [date]-jvmRun[N].dump and [date].dumpstream.
[ERROR] There was an error in the forked process
[ERROR] org/apache/assembly/it/AppTest (wrong name: basics/basics-child1/target/test-classes/org/apache/assembly/it/AppTest)
[ERROR] org.apache.maven.surefire.booter.SurefireBooterForkException: There was an error in the forked process
[ERROR] org/apache/assembly/it/AppTest (wrong name: basics/basics-child1/target/test-classes/org/apache/assembly/it/AppTest)
[ERROR] 	at org.apache.maven.plugin.surefire.booterclient.ForkStarter.fork(ForkStarter.java:628)
...