default_timezone moved. Remove warning

Author: enebo

test/test_helper.rb

@@ -304,12 +304,12 @@ def with_time_zone(default = nil)
   end
 
   def with_default_timezone(default = nil)
-    prev_tz = ActiveRecord::Base.default_timezone
+    prev_tz = ActiveRecord.default_timezone
     begin
-      ActiveRecord::Base.default_timezone = default
+      ActiveRecord.default_timezone = default
       yield
     ensure
-      ActiveRecord::Base.default_timezone = prev_tz
+      ActiveRecord.default_timezone = prev_tz
     end
   end
 
@@ -355,13 +355,13 @@ def with_java_tz(new_tz)
   def with_timezone_config(cfg)
     verify_default_timezone_config
 
-    old_default_zone = ActiveRecord::Base.default_timezone
+    old_default_zone = ActiveRecord.default_timezone
     old_awareness = ActiveRecord::Base.time_zone_aware_attributes
     old_zone = Time.zone
 
     begin
       if cfg.has_key?(:default)
-        ActiveRecord::Base.default_timezone = cfg[:default]
+        ActiveRecord.default_timezone = cfg[:default]
       end
       if cfg.has_key?(:aware_attributes)
         ActiveRecord::Base.time_zone_aware_attributes = cfg[:aware_attributes]
@@ -372,7 +372,7 @@ def with_timezone_config(cfg)
 
       yield
     ensure
-      ActiveRecord::Base.default_timezone = old_default_zone
+      ActiveRecord.default_timezone = old_default_zone
       ActiveRecord::Base.time_zone_aware_attributes = old_awareness
       Time.zone = old_zone
     end
@@ -391,12 +391,12 @@ def verify_default_timezone_config(expected_time_zone: verify_expected_time_zone
       Got: #{Time.zone.inspect}
       MSG
     end
-    if ActiveRecord::Base.default_timezone != expected_default_timezone
+    if ActiveRecord.default_timezone != expected_default_timezone
       $stderr.puts <<-MSG
 \n#{self}
-    Global state `ActiveRecord::Base.default_timezone` was leaked.
+    Global state `ActiveRecord.default_timezone` was leaked.
       Expected: #{expected_default_timezone.inspect}
-      Got: #{ActiveRecord::Base.default_timezone.inspect}
+      Got: #{ActiveRecord.default_timezone.inspect}
       MSG
     end
     if ActiveRecord::Base.time_zone_aware_attributes != EXPECTED_TIME_ZONE_AWARE_ATTRIBUTES