m/test/e2e/suites/kubernetes: increase test timeouts

These timeouts are too short and cause spurious test failures.

Change-Id: I21252337a150bb5774ef031eea53ec1a366f7fbd
Reviewed-on: https://review.monogon.dev/c/monogon/+/3614
Reviewed-by: Lorenz Brun <lorenz@monogon.tech>
Tested-by: Jenkins CI
diff --git a/metropolis/test/e2e/suites/kubernetes/run_test.go b/metropolis/test/e2e/suites/kubernetes/run_test.go
index e7e7962..0d53e07 100644
--- a/metropolis/test/e2e/suites/kubernetes/run_test.go
+++ b/metropolis/test/e2e/suites/kubernetes/run_test.go
@@ -143,7 +143,7 @@
 		}
 	}
 
-	util.MustTestEventual(t, "Labels added", ctx, time.Second*5, func(ctx context.Context) error {
+	util.MustTestEventual(t, "Labels added", ctx, smallTestTimeout, func(ctx context.Context) error {
 		// Nodes should have role labels now.
 		for _, nid := range cluster.NodeIDs {
 			want := common.Labels{
@@ -173,7 +173,7 @@
 		t.Fatalf("Could not remove KubernetesWorker from %s: %v", cluster.NodeIDs[0], err)
 	}
 
-	util.MustTestEventual(t, "Labels removed", ctx, time.Second*5, func(ctx context.Context) error {
+	util.MustTestEventual(t, "Labels removed", ctx, smallTestTimeout, func(ctx context.Context) error {
 		for _, nid := range cluster.NodeIDs {
 			want := make(common.Labels)
 			if nid == cluster.NodeIDs[0] {
@@ -199,7 +199,7 @@
 		},
 	})
 
-	util.MustTestEventual(t, "Metropolis labels added", ctx, time.Second*5, func(ctx context.Context) error {
+	util.MustTestEventual(t, "Metropolis labels added", ctx, smallTestTimeout, func(ctx context.Context) error {
 		if err != nil {
 			t.Fatalf("Could not add label to node: %v", err)
 		}