Refactor Event::Search spec
Refactor Event::Search spec

Make heavier use of RSpec constructs to get things down to a single
expect statement per `it` block.

reidab/calagator,matthewkmayer/calagator,iamBalaji/Calagator,L2-D2/calagator,cp/calagator-1,jmcduffie32/calagator,kerrizor/calagator,kerrizor/calagator,bencornelis/calagator,bencornelis/calagator,kerrizor/calagator,kerrizor/calagator,reidab/calagator,matthewkmayer/calagator,cp/calagator-1,jmcduffie32/calagator,cp/calagator-1,bencornelis/calagator,L2-D2/calagator,iamBalaji/Calagator,jmcduffie32/calagator,L2-D2/calagator,jmcduffie32/calagator,reidab/calagator,matthewkmayer/calagator,cp/calagator-1,bencornelis/calagator,reidab/calagator,iamBalaji/Calagator,matthewkmayer/calagator,L2-D2/calagator,iamBalaji/Calagator