if s1 != "\tLabEl1_Label2\tFeature = \"lab-el1.label2\"" {
		t.Errorf("Expected '\tLabEl1_Label2\tFeature = \"lab-el1.label2\"' got '%s'", s1)
	}

	s2 := createConstantString([]string{"lab.*)($)#el1", "lab.el2"})
	if s2 != "\tLabel1_Label2\tFeature = \"lab*)($)#el1.label2\"" {
		t.Errorf("Expected '\tLabel1_Label2\tFeature = \"lab*)($)#el1.label2\"' got '%s'", s2)
	}
}

var testYaml = `
features: