pytester: no ignore files used to obtain current user metadata in the…

… fd leak detector

_pytest/pytester.py

@@ -22,6 +22,11 @@
 from _pytest.assertion.rewrite import AssertionRewritingHook
 
 
+IGNORE_PAM = [  # filenames added when obtaining details about the current user
+     u'/var/lib/sss/mc/passwd'
+]
+
+
 def pytest_addoption(parser):
     # group = parser.getgroup("pytester", "pytester (self-tests) options")
     parser.addoption('--lsof',
@@ -71,6 +76,8 @@ def isopen(line):
                 fields = line.split('\0')
                 fd = fields[0][1:]
                 filename = fields[1][1:]
+                if filename in IGNORE_PAM:
+                    continue
                 if filename.startswith('/'):
                     open_files.append((fd, filename))
 

changelog/2784.bugfix

@@ -0,0 +1 @@
+pytester: no ignore files used to obtain current user metadata in the fd leak detector