Tests fetch network filters

filterText: -.css
Found results: 3

filterText: -.png
Found results: 2

filterText: css
Found results: 1

filterText: 
Found results: 4

filterText: /.*/
Found results: 4

filterText: /.*\..*/
Found results: 4

filterText: /.*\.png/
Found results: 2

filterText: /NOTHINGTOMATCH/
Found results: 0

filterText: //
Found results: 0

filterText: png
Found results: 2

filterText: -missing
Found results: 3

filterText: is:from-cache
Found results: 3

filterText: -is:from-cache
Found results: 1


