test: really run addon tests on make test

Fix a `s/addon/addons/` typo in the Makefile.

PR-URL: #7542
Reviewed-By: Colin Ihrig <[email protected]>
Reviewed-By: James M Snell <[email protected]>
Reviewed-By: Ben Noordhuis <[email protected]>

Author: addaleax

Makefile

@@ -118,7 +118,7 @@ test: all
 	$(MAKE) build-addons
 	$(MAKE) cctest
 	$(PYTHON) tools/test.py --mode=release -J \
-		addon doctool known_issues message pseudo-tty parallel sequential
+		addons doctool known_issues message pseudo-tty parallel sequential
 	$(MAKE) lint
 
 test-parallel: all