Improve test coverage of status for HTTP.
Improve test coverage of status for HTTP.

winlinvip/srs,winlinvip/srs,winlinvip/srs,winlinvip/srs,ossrs/srs,winlinvip/srs,ossrs/srs,winlinvip/srs,ossrs/srs,ossrs/srs,ossrs/srs,ossrs/srs,winlinvip/simple-rtmp-server