Add a new Make target for running single integration test (#6500)

* Add a new Make target for running single integration test

* Use # instead of - as the delimiter

Makefile

@@ -204,6 +204,10 @@ test-vendor: vendor
 test-sqlite: integrations.sqlite.test
 	GITEA_ROOT=${CURDIR} GITEA_CONF=integrations/sqlite.ini ./integrations.sqlite.test
 
+.PHONY: test-sqlite\#%
+test-sqlite\#%: integrations.sqlite.test
+	GITEA_ROOT=${CURDIR} GITEA_CONF=integrations/sqlite.ini ./integrations.sqlite.test -test.run $*
+
 .PHONY: test-sqlite-migration
 test-sqlite-migration:  migrations.sqlite.test
 	GITEA_ROOT=${CURDIR} GITEA_CONF=integrations/sqlite.ini ./migrations.sqlite.test