FreeBSD/ports 6009767 (r496796)security/py-keyrings.alt Makefile, security/py-keyrings.alt/files patch-tests_test__file.py patch-tests_test__crypto.py

MFH: r489245 security/py-keyrings.alt: Add test support to assist committer QA

Add TEST_DEPENDS and (do-)test target to help QA of an upcoming devel/py-fs
update [1].

The tests currently pass: 128 passed, 61 skipped in 21.56 seconds

While I'm here:

 - Pet portlint (extra item placed in the USES/USE_x section)

PR:             234491
Approved by:    portmgr (framework/infrastructure support/compliance)

Approved by:    ports-secteam (miwi)
DeltaFile
+15-0security/py-keyrings.alt/files/patch-tests_test__file.py
+13-0security/py-keyrings.alt/files/patch-tests_test__crypto.py
+10-1security/py-keyrings.alt/Makefile
+38-13 files

UnifiedSplitRaw