* adding an unsatisfying time.sleep(1) in test_901_020 to see all lines in our message.log
@@ -217,6 +217,7 @@ class TestMessage:
assert TestEnv.await_completion( [ domain ] )
stat = TestEnv.await_ocsp_status(domain)
assert TestEnv.await_file(self.mlog)
+ time.sleep(1)
nlines = open(self.mlog).readlines()
# since v2.1.10, the 'installed' message is second in log
lc = 1+self.menv_lines
