Merge pull request rails#53268 from kamipo/fix_current_timestamp_test_failure

Fix `CURRENT_TIMESTAMP` test failure by setting time_zone correctly

Author: kamipo

activerecord/test/cases/date_time_test.rb

@@ -17,6 +17,15 @@ def test_default_timezone_validation
     ActiveRecord.default_timezone = :utc
   end
 
+  def test_high_precision_current_timestamp
+    current_timestamp = Task.with_connection { |conn| conn.high_precision_current_timestamp }
+
+    task = Task.create!
+    task = Task.select(current_timestamp => :starting).find(task.id)
+
+    assert_in_delta Time.now, task.starting, 1
+  end
+
   def test_saves_both_date_and_time
     with_env_tz "America/New_York" do
       with_timezone_config default: :utc do

activerecord/test/config.example.yml

@@ -18,6 +18,8 @@ connections:
     <% if ENV['MYSQL_SOCK'] %>
       socket: "<%= ENV['MYSQL_SOCK'] %>"
     <% end %>
+      variables:
+        time_zone: '+00:00'
     arunit2:
       username: rails
       encoding: utf8mb4
@@ -52,6 +54,8 @@ connections:
     <% if ENV['MYSQL_SOCK'] %>
       socket: "<%= ENV['MYSQL_SOCK'] %>"
     <% end %>
+      variables:
+        time_zone: '+00:00'
     arunit2:
       username: rails
       encoding: utf8mb4