tests: fix rails 2.7 keyword parameter deprecation warnings.

test/functional/users_controller_test.rb

@@ -127,7 +127,7 @@ class UsersControllerTest < ActionDispatch::IntegrationTest
         assert_redirected_to User.last
         assert_equal("xxx", User.last.name)
         assert_equal(User.last, User.last.authenticate_password("xxxxx1"))
-        assert_equal(nil, User.last.email_address)
+        assert_nil(User.last.email_address)
         assert_no_enqueued_emails
       end
 

test/test_helper.rb

@@ -89,25 +89,25 @@ class ActionDispatch::IntegrationTest
   mock_post_version_service!
   mock_pool_version_service!
 
-  def method_authenticated(method_name, url, user, options)
+  def method_authenticated(method_name, url, user, **options)
     post session_path, params: { name: user.name, password: user.password }
-    self.send(method_name, url, options)
+    send(method_name, url, **options)
   end
 
-  def get_auth(url, user, options = {})
-    method_authenticated(:get, url, user, options)
+  def get_auth(url, user, **options)
+    method_authenticated(:get, url, user, **options)
   end
 
-  def post_auth(url, user, options = {})
-    method_authenticated(:post, url, user, options)
+  def post_auth(url, user, **options)
+    method_authenticated(:post, url, user, **options)
   end
 
-  def put_auth(url, user, options = {})
-    method_authenticated(:put, url, user, options)
+  def put_auth(url, user, **options)
+    method_authenticated(:put, url, user, **options)
   end
 
-  def delete_auth(url, user, options = {})
-    method_authenticated(:delete, url, user, options)
+  def delete_auth(url, user, **options)
+    method_authenticated(:delete, url, user, **options)
   end
 
   def setup

test/unit/post_disapproval_test.rb

@@ -21,7 +21,7 @@ class PostDisapprovalTest < ActiveSupport::TestCase
 
       should "not allow blank messages" do
         @post_disapproval = create(:post_disapproval, post: @post_1, message: "")
-        assert_equal(nil, @post_disapproval.message)
+        assert_nil(@post_disapproval.message)
       end
 
       context "made by alice" do