fix(test): load to stream tmp file counting #13366
Merged
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Replaces #13037
Motivation
This test has an infrequent flake, see #13037
Modifications
The current test counts files in
/tmp
and hopes there are the same number before and after the test, which is fragileAdd a prefix to the stream temporary files.
Only count files in
/tmp
which have this prefix.Verification
Tested locally. Tested with a file called
/tmp/wfstream-asdfasd
and extra logging in the test to show the numbers are as expected.Tested with the
os.Remove()
removed fromselfDestructingFile.Close()
to show failure.