fix test

Author: godwinpang

pkg/manager/runnable_group_test.go

@@ -349,6 +349,8 @@ var _ = Describe("runnableGroup", func() {
 	})
 })
 
+var _ LeaderElectionRunnable = &leaderElectionRunnableFunc{}
+
 // leaderElectionRunnableFunc is a helper struct that implements LeaderElectionRunnable
 // for testing purposes.
 type leaderElectionRunnableFunc struct {
@@ -364,6 +366,8 @@ func (r leaderElectionRunnableFunc) NeedLeaderElection() bool {
 	return r.NeedLeaderElectionFunc()
 }
 
+var _ WarmupRunnable = &warmupRunnableFunc{}
+
 // warmupRunnableFunc is a helper struct that implements WarmupRunnable
 // for testing purposes.
 type warmupRunnableFunc struct {
@@ -379,6 +383,10 @@ func (r warmupRunnableFunc) Warmup(ctx context.Context) error {
 	return r.WarmupFunc(ctx)
 }
 
+func (r warmupRunnableFunc) WaitForWarmupComplete(ctx context.Context) bool {
+    return true
+}
+
 // combinedRunnable implements both WarmupRunnable and LeaderElectionRunnable
 type combinedRunnable struct {
 	RunFunc                func(context.Context) error