metropolis/node/core/metrics: expose etcd metrics

Change-Id: Ie916d497b44c05ab51b13d0bb14f4e850291a77e
Reviewed-on: https://review.monogon.dev/c/monogon/+/1950
Tested-by: Jenkins CI
Reviewed-by: Serge Bazanski <serge@monogon.tech>
diff --git a/metropolis/node/core/consensus/BUILD.bazel b/metropolis/node/core/consensus/BUILD.bazel
index 693f789..359b6dc 100644
--- a/metropolis/node/core/consensus/BUILD.bazel
+++ b/metropolis/node/core/consensus/BUILD.bazel
@@ -48,6 +48,7 @@
         "//metropolis/pkg/logbuffer",
         "//metropolis/pkg/logtree",
         "//metropolis/pkg/supervisor",
+        "//metropolis/test/util",
         "@com_github_google_go_cmp//cmp",
     ],
 )