Run non-pytest tests

[ehrenfeu]

Especially with this amount of new additions we have to perform at least the well-documented tests before releasing.

Common testing with ImageJ2 / Fiji

• tests/interactive-imagej/bioformats/import_image/test_01.py
• tests/interactive-imagej/bioformats/write_bf_memoryfile/test_01.py
• tests/interactive-imagej/shading-test.md
• tests/interactive-imagej/test_trackmate.md
• tests/interactive-imagej/send-notification-email.md