Unit test failing due to bug in create_raw_data()

[laborleben]

The interpreter is working. The unit test is failing du to a bug in https://github.com/SiLab-Bonn/pyBAR_mimosa26_interpreter/blob/109fc0f46cc35af430b52824a82eb4dd1ee3131a/pyBAR_mimosa26_interpreter/testing/test_interpreter.py#L86
sometimes producing bad reference data.