TEST: Something wrong with coverage / pytest-cov / subprocess

funpack/tests/test_demo.py

@@ -59,11 +59,20 @@ def test_demo():
 
 def test_demo_commands():
 
+    # Issues with pytest-cov 3.0.0 / coveragepy 6.2
+    # cause coverage to spit out error information
+    # in subprocess-called invocations. Disabling for
+    # the time being.
+    env = os.environ.copy()
+    for k in list(env.keys()):
+        if 'COVERAGE' in k or k.startswith('COV_'):
+            env.pop(k)
+
     def eval_cmd(cmd, out):
 
         # TODO extract all funpack calls, and turn
         #      them into funpack.main function calls.
-        result = sp.run(['bash', cmd], stdout=sp.PIPE)
+        result = sp.run(['bash', cmd], stdout=sp.PIPE, env=env)
 
         with open(out, 'rt') as f:
             out = f.read()