K 10
svn:author
V 6
donner
K 8
svn:date
V 27
2021-06-24T12:08:33.292842Z
K 7
svn:log
V 433
tests/netgraph: Fix build error due to missing directory

While MFCing the tests into stable/11 the test directory needs to be
added, because earlier netgraph tests were not MFCed to this train.

PR:		256773
Reported by:	Arrigo Marchiori
Submitted by:	Arrigo Marchiori
Tested by:	Arrigo Marchiori

This is a direct commit into the stable/12 branch.

Git Hash:   2e6fec416d0398598be15df9a3b713ac74c5d1e8
Git Author: donner@FreeBSD.org
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