[rb] remove assertions in virtual authenticator tests

Chrome 117 started returning the same values for rpId and userHandle in both resident and non-resident credentials. This behavior is not evaluated in wpt tests, so removing the checks in Selenium.

rb/spec/integration/selenium/webdriver/virtual_authenticator_spec.rb

@@ -194,17 +194,10 @@ def credential(id)
           expect(credentials.length).to eq(2)
 
           res_cred_output = credentials.find { |cred| Credential.encode(cred.id).match res_cred_resp['id'] }
-          non_res_cred_output = credentials.tap { |cred| cred.delete(res_cred_output) }.first
+          non_res_cred_output = credentials.find { |cred| cred != res_cred_output }
 
           expect(res_cred_output.resident_credential?).to be true
-          expect(res_cred_output.rp_id).to eq 'localhost'
-          expect(res_cred_output.sign_count).to eq 1
-          expect(res_cred_output.user_handle).to eq [1]
-
           expect(non_res_cred_output.resident_credential?).to be false
-          expect(non_res_cred_output.rp_id).to be_nil
-          expect(non_res_cred_output.sign_count).to eq 1
-          expect(non_res_cred_output.user_handle).to be_nil
         end
       end