##### SUMMARY
Happened here: https://github.com/ansible-collections/community.general/pull/341

##### ISSUE TYPE
- Bug Report

##### COMPONENT NAME
ansible-test

##### ANSIBLE VERSION
```paste below
devel
```

if backup and not module.check_mode:
        (backuph, backup_file) = tempfile.mkstemp(prefix='crontab')
        crontab.write(backup_file)
    if crontab.cron_file and not do_install:
        if module._diff:
            diff['after'] = ''
            diff['after_header'] = '/dev/null'
        else:
            diff = dict()
        if module.check_mode:
            changed = os.path.isfile(crontab.cron_file)
        else:
            changed = crontab.remove_job_file()
        module.exit_json(changed=changed, cron_file=cron_file, state=state, diff=diff)
    if env:
        if ' ' in name:
            module.fail_json(msg="Invalid name for environment variable")
        decl = '%s="%s"' % (name, job)
        old_decl = crontab.find_env(name)
        if do_install:
            if len(old_decl) == 0:
                crontab.add_env(decl, insertafter, insertbefore)
                changed = True
            if len(old_decl) > 0 and old_decl[1] != decl:
                crontab.update_env(name, decl)
                changed = True
        else:
            if len(old_decl) > 0:
                crontab.remove_env(name)