klog.V(klogLevel).Infof("Removing groups: %s", entriesToString(groupsToCreateSpec))

	// Delete users / groups.
	fileUsers, _ = removeEntries(fileUsers, usersToCreateSpec)
	fileGroups, _ = removeEntries(fileGroups, groupsToCreateSpec)

	klog.V(klogLevel).Infof("Writing %q and %q", pathUsers, pathGroups)

	// Write the files.
	if err := writeFile(fUsers, fileUsers); err != nil {

				{name: "bar"},
			},
			expectedRemoved: 1,
			expectedOutput:  "foo:x:102:foo\n",
		},
	}

	for _, tc := range testCases {
		t.Run(tc.name, func(t *testing.T) {
			got, removed := removeEntries(tc.file, tc.entries)
			if tc.expectedRemoved != removed {
				t.Fatalf("expected entries to be removed: %v, got: %v", tc.expectedRemoved, removed)
			}
			if tc.expectedOutput != got {