Update tests to match reality

Author: mpalmer

test/spec_rack_profiler.rb

@@ -15,7 +15,7 @@
     end
 
     specify 'called multiple times via query params' do
-      req = Rack::MockRequest.env_for("/", :params => "profile=process_time&times=4")
+      req = Rack::MockRequest.env_for("/", :params => "profile=process_time&profiler_runs=4")
       body = Rack::Profiler.new(app).call(req)[2].string
       body.must_match(/Proc#call \[4 calls, 4 total\]/)
     end