v := getBranchFromVersion(tc.version)
			if v != tc.expectedVersion {
				t.Errorf("expected version %s, got %s", tc.expectedVersion, v)
			}
		})
	}
}

func TestGetSuggestedEtcdVersion(t *testing.T) {
	constants.SupportedEtcdVersion = map[uint8]string{
		16: "3.3.17-0",
		17: "3.4.3-0",
		18: "3.4.3-0",
		19: "3.4.13-0",
		20: "3.4.13-0",
		21: "3.4.13-0",