debian-cis/tests/hardening/6.2.18_check_duplicate_username.sh

# shellcheck shell=bash
# run-shellcheck
test_audit() {
    describe Running on blank host
    register_test retvalshouldbe 0
    dismiss_count_for_test
    # shellcheck disable=2154
    run blank /opt/debian-cis/bin/hardening/"${script}".sh --audit-all

    local test_user="testduplicateuser"
    local dir="/etc/passwd"

    describe Tests purposely failing 
    useradd $test_user
    temp=$(tail -1 $dir)
    echo $temp >> $dir
    register_test retvalshouldbe 1
    register_test contain "Duplicate username"
    run noncompliant /opt/debian-cis/bin/hardening/"${script}".sh --audit-all

    # cleanup
    sed -i '$ d' $dir
    userdel $test_user
}