F.EF.
======================================================================
ERROR: testCerror (test_tagsc.TestC.testCerror)
----------------------------------------------------------------------
Traceback (most recent call last):
  File "/Users/njr/python/tdda/tdda/referencetest/scratch/test_tagsc.py", line 11, in testCerror
    self.assertTrue(0/0)
                    ~^~
ZeroDivisionError: division by zero

======================================================================
FAIL: testAfail (test_tagsa.TestA.testAfail)
----------------------------------------------------------------------
Traceback (most recent call last):
  File "/Users/njr/python/tdda/tdda/referencetest/scratch/test_tagsa.py", line 5, in testAfail
    self.assertTrue(False)
    ~~~~~~~~~~~~~~~^^^^^^^
AssertionError: False is not true

======================================================================
FAIL: testCfail (test_tagsc.TestC.testCfail)
----------------------------------------------------------------------
Traceback (most recent call last):
  File "/Users/njr/python/tdda/tdda/referencetest/scratch/test_tagsc.py", line 8, in testCfail
    self.assertTrue(False)
    ~~~~~~~~~~~~~~~^^^^^^^
AssertionError: False is not true

----------------------------------------------------------------------
Ran 5 tests in 0.000s

FAILED (failures=2, errors=1)
