Validate that only the start-up taint is the only taint before removi…

…ng it

test/suites/drift/suite_test.go

@@ -588,6 +588,7 @@ var _ = Describe("Drift", func() {
 			// Remove the startup taints from the new nodes to initialize them
 			Eventually(func(g Gomega) {
 				g.Expect(env.Client.Get(env.Context, client.ObjectKeyFromObject(nodeTwo), nodeTwo)).To(Succeed())
+				g.Expect(len(nodeTwo.Spec.Taints)).To(BeNumerically("==", 1))
 				_, found := lo.Find(nodeTwo.Spec.Taints, func(t corev1.Taint) bool {
 					return t.MatchTaint(&corev1.Taint{Key: "example.com/another-taint-2", Effect: corev1.TaintEffectPreferNoSchedule})
 				})