Fix incorrect test in request_spec

This test was raising an ArgumentError not because it was being raised from inside the method, but because a params argument was not being supplied

Author: cltweedie

spec/bitbucket_rest_api/request_spec.rb

@@ -7,7 +7,7 @@
 
   describe "request" do
     it "raises an ArgumentError if an unsupported HTTP verb is used" do
-      expect { fake_api.new.request(:i_am_a_teapot, '/') }.to raise_error(ArgumentError)
+      expect { fake_api.new.request(:i_am_a_teapot, {}, '/') }.to raise_error(ArgumentError)
     end
 
     context "with a connection" do
@@ -78,4 +78,4 @@
       end
     end
   end
-end
+end