{"a\xe0\x80cd", not(isValidRune), 1, 2},
}

func TestIndexFunc(t *testing.T) {
	for _, tc := range indexFuncTests {
		first := IndexFunc([]byte(tc.in), tc.f.f)
		if first != tc.first {
			t.Errorf("IndexFunc(%q, %s) = %d; want %d", tc.in, tc.f.name, first, tc.first)
		}
		last := LastIndexFunc([]byte(tc.in), tc.f.f)
		if last != tc.last {

		Policy: []string{policy},
	})
	if err != nil {
		c.Fatalf("GetLDAPPolicyEntities should not fail: %v", err)
	}
	{
		// Check that the mapping we created exists.
		idx := slices.IndexFunc(policyResult.PolicyMappings, func(e madmin.PolicyEntities) bool {
			return e.Policy == policy && slices.Contains(e.Groups, actualGroupDN)
		})
		if !(idx >= 0) {