},
			},
			mergedEnv: []v1.EnvVar{
				{Name: "Foo1", Value: "Bar1"},
				{Name: "Foo2", Value: "Bar3"},
			},
		},
	}

	for _, test := range tests {
		t.Run(test.name, func(t *testing.T) {
			envs := MergeKubeadmEnvVars(test.proxyEnv, test.extraEnv)
			if !assert.ElementsMatch(t, envs, test.mergedEnv) {
				t.Errorf("expected env: %v, got: %v", test.mergedEnv, envs)
			}
		})
	}

				if latest.header.VersionID == ver.header.VersionID {
					versions[i] = versions[i][1:]
					continue
				}
				// Skip versions with version id we already emitted.
				for _, mergedV := range merged {
					if ver.header.VersionID == mergedV.header.VersionID {
						versions[i] = versions[i][1:]
						continue
					}
				}
				// Keep top entry (and remaining)...
				break
			}
		}