write unit tests with sample xdf file

[ReboreExplore]

• record a dummy file for unit tests. (preferebly with 50MB)
• write the tests

[behinger]

# this is on the git, new folder `test`
/test/testcase/test-functionality/project/
/test/testcase/test-functionality/stimulus/
/test/testcase/test-functionality/bids/
/test/testcase/test-functionality/test.py  # this runs the testcase-logic, including validation

/test/testcase/test-acqError/test.py   # this runs the testcase-logic, including validation
    -> run lslautobids on testAcqError/project
    -> either check it errors
    -> check that the correct files in testAcqError/bids/ exists


/test/testcase/test-noStim/test.py


# this would run all tests
test/run_tests.py
    for test in all_testcases
        run(test.test.py)
        



# Potential test cases to include
testcase/test-functionality/project/sub-001/ses-01/sub-001_ses-001_task-bla.xdf 
testcase/test-functionality/project/sub-001/ses-01/sub-001_ses-001_task-blub.xdf 
testcase/test-functionality/project/sub-001/ses-01/sub-001_ses-001_task-exclude.xdf  # -> toml file task_exclude = ["exclude"]
testcase/test-functionality/project/sub-001/ses-01/sub-001_ses-001_task-blub_old.xdf 
testcase/test-functionality/project/sub-exclude/ses-01/sub-exclude_ses-001_task-blub_old.xdf # -> toml file subj_exclude = ["exclude"]
=> in testcase/test-functionality/project/test.py assert that "testcase/test-functionality/bids/sub-exclude" does not exist

testcase/test-acqError/sub-001/ses-01/sub-001_ses-001_task-bla_acq-EEG.xdf => error

[behinger]

see #45 for some progress