Fix lint

Author: pitbulk

test/response_test.rb

@@ -986,7 +986,7 @@ def generate_audience_error(expected, actual)
           "encryption" => []
         }
         response_valid_signed.settings = settings
-        res = response_valid_signed.send(:validate_signature)
+        assert response_valid_signed.send(:validate_signature)
         assert_empty response_valid_signed.errors
       end
 

test/settings_test.rb

@@ -301,10 +301,10 @@ class SettingsTest < Minitest::Test
       end
 
       it "returns the hash with certificates when values were valid and with string keys" do
-        certificates = ruby_saml_cert_text
+        certificates = [ruby_saml_cert_text]
         @settings.idp_cert_multi = {
-          "signing" => [ruby_saml_cert_text],
-          "encryption" => [ruby_saml_cert_text],
+          "signing" => certificates,
+          "encryption" => certificates,
         }
 
         assert @settings.get_idp_cert_multi.kind_of? Hash