Fix deprecation warnings on tests

Author: pitbulk

test/authrequest_test.rb

@@ -165,8 +165,8 @@ class AuthrequestTest < Minitest::Test
       it "uuid is initialized to nil" do
         request = RubySaml::Authrequest.new
 
-        assert_nil(request.uuid)
-        assert_equal request.request_id, request.uuid
+        assert_nil request.uuid
+        assert_nil request.request_id
       end
 
       it "creates request with ID prefixed with default '_'" do
@@ -200,7 +200,8 @@ class AuthrequestTest < Minitest::Test
       it "can mutate the uuid" do
         request = RubySaml::Authrequest.new
         request_id = request.request_id
-        assert_equal request_id, request.uuid
+        assert_nil request.uuid
+        assert_nil request_id
         request.uuid = "new_uuid"
         assert_equal "new_uuid", request.uuid
         assert_equal request.uuid, request.request_id

test/logoutrequest_test.rb

@@ -98,8 +98,8 @@ class RequestTest < Minitest::Test
       it "uuid is initialized to nil" do
         request = RubySaml::Logoutrequest.new
 
-        assert_nil(request.uuid)
-        assert_equal request.request_id, request.uuid
+        assert_nil request.uuid
+        assert_nil request.request_id
       end
 
       it "creates request with ID prefixed with default '_'" do
@@ -133,7 +133,8 @@ class RequestTest < Minitest::Test
       it "can mutate the uuid" do
         request = RubySaml::Logoutrequest.new
         request_id = request.request_id
-        assert_equal request_id, request.uuid
+        assert_nil request.uuid
+        assert_nil request_id
         request.uuid = "new_uuid"
         assert_equal "new_uuid", request.uuid
         assert_equal request.uuid, request.request_id

test/slo_logoutresponse_test.rb

@@ -86,8 +86,8 @@ class SloLogoutresponseTest < Minitest::Test
       it "uuid is initialized to nil" do
         response = RubySaml::SloLogoutresponse.new
 
-        assert_nil(response.uuid)
-        assert_equal response.response_id, response.uuid
+        assert_nil response.uuid
+        assert_nil response.response_id
       end
 
       it "creates response with ID prefixed with default '_'" do
@@ -120,8 +120,8 @@ class SloLogoutresponseTest < Minitest::Test
 
       it "can mutate the uuid" do
         response = RubySaml::SloLogoutresponse.new
-        response_id = response.response_id
-        assert_equal response_id, response.uuid
+        assert_nil response.uuid
+        assert_nil response.response_id
         response.uuid = "new_uuid"
         assert_equal "new_uuid", response.uuid
         assert_equal response.uuid, response.response_id

test/utils_test.rb

@@ -375,11 +375,11 @@ def result(duration, reference = 0)
     end
 
     it 'successfully decrypts with the first private key' do
-      assert_match(/\A<saml:Assertion/, RubySaml::Utils.decrypt_multi(encrypted, [private_key]))
+      assert_match(%r{\A<saml:Assertion}, RubySaml::Utils.decrypt_multi(encrypted, [private_key]))
     end
 
     it 'successfully decrypts with a subsequent private key' do
-      assert_match(/\A<saml:Assertion/, RubySaml::Utils.decrypt_multi(encrypted, [invalid_key1, private_key]))
+      assert_match(%r{\A<saml:Assertion}, RubySaml::Utils.decrypt_multi(encrypted, [invalid_key1, private_key]))
     end
 
     it 'raises an error when there is only one key and it fails to decrypt' do