my $krb5_conf = "${TestLib::tmp_check}/krb5.conf";
my $kdc_conf = "${TestLib::tmp_check}/kdc.conf";
+my $krb5_cache = "${TestLib::tmp_check}/krb5cc";
my $krb5_log = "${TestLib::log_path}/krb5libs.log";
my $kdc_log = "${TestLib::log_path}/krb5kdc.log";
my $kdc_port = get_free_port();
mkdir $kdc_datadir or die;
+# Ensure that we use test's config and cache files, not global ones.
$ENV{'KRB5_CONFIG'} = $krb5_conf;
$ENV{'KRB5_KDC_PROFILE'} = $kdc_conf;
+$ENV{'KRB5CCNAME'} = $krb5_cache;
my $service_principal = "$ENV{with_krb_srvnam}/$host";