api: make node health test more reliable

api/health_test.go

@@ -20,17 +20,21 @@ func TestHealth_Node(t *testing.T) {
 	}
 	name := info["Config"]["NodeName"].(string)
 
+	testutil.WaitForResult(func() (bool, error) {
 		checks, meta, err := health.Node(name, nil)
 		if err != nil {
-		t.Fatalf("err: %v", err)
+			return false, err
 		}
-
 		if meta.LastIndex == 0 {
-		t.Fatalf("bad: %v", meta)
+			return false, fmt.Errorf("bad: %v", meta)
 		}
 		if len(checks) == 0 {
-		t.Fatalf("Bad: %v", checks)
+			return false, fmt.Errorf("bad: %v", checks)
 		}
+		return true, nil
+	}, func(err error) {
+		t.Fatalf("err: %s", err)
+	})
 }
 
 func TestHealth_Checks(t *testing.T) {