kola/harness: tag external tests with the external tag
Uses the new test tagging system to add the `external` tag to tests when
they're being registered. This allows users to run only external tests
via `kola run -E <dir> --tags external`
@@ -516,6 +516,7 @@ RequiredBy=multi-user.target
ClusterSize: 1, // Hardcoded for now
ExternalTest: executable,
DependencyDir: dependencydir,
+ Tags: []string{"external"},
Run: func(c cluster.TestCluster) {
mach := c.Machines()[0]
