taints = append(taints, newTaint)
		}
	}
	return taints, taintsToRemove, nil
}

// CheckIfTaintsAlreadyExists checks if the node already has taints that we want to add and returns a string with taint keys.
func CheckIfTaintsAlreadyExists(oldTaints []v1.Taint, taints []v1.Taint) string {
	var existingTaintList = make([]string, 0)
	for _, taint := range taints {

				},
				{
					Key:    "foo_3",
					Effect: v1.TaintEffectNoSchedule,
				},
			},
			expectedResult: "foo_2,foo_3",
		},
	}

	for _, c := range cases {
		result := CheckIfTaintsAlreadyExists(oldTaints, c.taintsToCheck)
		if result != c.expectedResult {
			t.Errorf("[%s] should return '%s', but got: '%s'", c.name, c.expectedResult, result)
		}
	}
}

func TestParseTaints(t *testing.T) {