Fix Windows CI for gradoop-accumulo tests

[timo95]

#1512 fixed the tests on Windows for every module but gradoop-hbase. This could be related to a missing cygwin setup needed for the minicluster.

gradoop-accumulo was working locally, but fails on github actions. It also fails to set up the minicluster properly. The reason for this failure is logged in a temporary log file on the Windows Runner. I could not solve this without reading the log file.

To debug this:

• Get access to the github actions runner file system (e.g. get access to the VM and run it locally)
• Stop junit from deleting the log after the test completed
• Read log to find out what is missing (dependencies, environment variables, etc.)

Alternative:

• Somehow print the error output to the log