Fix unwanted test output in wpull.application.options_test.TestOptions

[ivan]

test_no_args (wpull.application.options_test.TestOptions) ... usage: nosetests [-h] [-V] [--plugin-script FILE] [--plugin-args PLUGIN_ARGS]
                 [--database FILE | --database-uri URI] [--concurrent N]
                 [--debug-console-port PORT] [--debug-manhole]
                 [--ignore-fatal-errors] [-o FILE | -a FILE]
                 [-d | -v | -nv | -q | -qq] [--ascii-print]
                 [--report-speed TYPE={bits}] [-i FILE] [-F] [-B URL]
                 [--http-proxy HTTP_PROXY] [--https-proxy HTTPS_PROXY]
                 [--proxy-user USER] [--proxy-password PASS] [--no-proxy]
                 [--proxy-domains LIST] [--proxy-exclude-domains LIST]
                 [--proxy-hostnames LIST] [--proxy-exclude-hostnames LIST]
                 [-t NUMBER] [--retry-connrefused] [--retry-dns-error]
                 [-O FILE] [-nc] [-c] [--progress TYPE={bar,dot,none}] [-N]
                 [--no-use-server-timestamps] [-S] [-T SECONDS]
                 [--dns-timeout SECS] [--connect-timeout SECS]
                 [--read-timeout SECS] [--session-timeout SECS] [-w SECONDS]
                 [--waitretry SECONDS] [--random-wait] [-Q NUMBER]
                 [--bind-address ADDRESS] [--limit-rate RATE] [--no-dns-cache]
                 [--rotate-dns] [--no-skip-getaddrinfo]
                 [--restrict-file-names MODES=<ascii,lower,nocontrol,unix,upper,windows>]
                 [-4 | -6 | --prefer-family FAMILY={IPv4,IPv6,none}]
                 [--user USER] [--password PASSWORD] [--no-iri]
                 [--local-encoding ENC] [--remote-encoding ENC]
                 [--max-filename-length NUMBER] [-nd | -x] [-nH]
                 [--protocol-directories] [-P PREFIX] [--cut-dirs NUMBER]
                 [--http-user HTTP_USER] [--http-password HTTP_PASSWORD]
                 [--no-cache] [--default-page NAME] [-E] [--ignore-length]
                 [--header STRING] [--max-redirect NUMBER] [--referer URL]
                 [--save-headers] [-U AGENT] [--no-robots]
                 [--no-http-keep-alive] [--no-cookies] [--load-cookies FILE]
                 [--save-cookies FILE] [--keep-session-cookies]
                 [--post-data STRING | --post-file FILE]
                 [--content-disposition] [--content-on-error]
                 [--http-compression]
                 [--link-extractors <css,html,javascript>]
                 [--escaped-fragment] [--strip-session-id]
                 [--secure-protocol PR={TLSv1,TLSv1.1,TLSv1.2,auto}]
                 [--https-only] [--no-check-certificate] [--no-strong-crypto]
                 [--certificate FILE] [--certificate-type TYPE={PEM}]
                 [--private-key FILE] [--private-key-type TYPE={PEM}]
                 [--ca-certificate FILE] [--ca-directory DIR]
                 [--no-use-internal-ca-certs] [--random-file FILE]
                 [--edg-file FILE] [--ftp-user USER] [--ftp-password PASS]
                 [--no-remove-listing] [--no-glob] [--preserve-permissions]
                 [--retr-symlinks [{0,1,no,off,on,yes}]]
                 [--warc-file FILENAME] [--warc-append] [--warc-header STRING]
                 [--warc-max-size NUMBER] [--warc-move DIRECTORY] [--warc-cdx]
                 [--warc-dedup FILE] [--no-warc-compression]
                 [--no-warc-digests] [--no-warc-keep-log]
                 [--warc-tempdir DIRECTORY] [-r] [-l NUMBER] [--delete-after]
                 [-p] [--page-requisites-level NUMBER] [--sitemaps] [-A LIST]
                 [-R LIST] [--accept-regex REGEX] [--reject-regex REGEX]
                 [--regex-type TYPE={pcre}] [-D LIST] [--exclude-domains LIST]
                 [--hostnames LIST] [--exclude-hostnames LIST] [--follow-ftp]
                 [--follow-tags LIST] [--ignore-tags LIST]
                 [-H | --span-hosts-allow LIST=<linked-pages,page-requisites>]
                 [-L] [-I LIST] [--trust-server-names] [-X LIST] [-np]
                 [--no-strong-redirects] [--proxy-server]
                 [--proxy-server-address ADDRESS] [--proxy-server-port PORT]
                 [--youtube-dl] [--youtube-dl-exe PATH]
                 [URL [URL ...]]
ok