Fix ArgumentError for `be_normalized_to` matcher.
Fix ArgumentError for `be_normalized_to` matcher.

rspec will now throw errors when using operators with `#to`, so we need to use
a matcher instead. The error is below.

ArgumentError:
  The expect syntax does not support operator matchers, so you must pass a matcher to `#to`.

seanscal/griddler,ValiMail/griddler,firepoint/griddler,danavery/griddler,danavery/griddler,joeadcock/griddler,vahtel/griddler,ValiMail/griddler,wingrunr21/griddler,vahtel/griddler,seanscal/griddler,r38y/griddler,vahtel/griddler,muthhus/griddler,pipefy/griddler,thoughtbot/griddler,muthhus/griddler,thoughtbot/griddler,firepoint/griddler,Inchdev/griddler,r38y/griddler,joeadcock/griddler,Inchdev/griddler,thoughtbot/griddler,r38y/griddler,wingrunr21/griddler,muthhus/griddler,pipefy/griddler,pipefy/griddler,RubyDaily/griddler,danavery/griddler,ValiMail/griddler,seanscal/griddler,joeadcock/griddler,wingrunr21/griddler,firepoint/griddler,Inchdev/griddler,RubyDaily/griddler,RubyDaily/griddler