3 files changed, 20 insertions, 13 deletions
diff --git a/activesupport/lib/active_support/test_case.rb b/activesupport/lib/active_support/test_case.rb
index 0b1cefc5e1..c513c76315 100644
--- a/activesupport/lib/active_support/test_case.rb
+++ b/activesupport/lib/active_support/test_case.rb
@@ -13,6 +13,7 @@ require "active_support/testing/constant_lookup"
 require "active_support/testing/time_helpers"
 require "active_support/testing/file_fixtures"
 require "active_support/testing/parallelization"
+require "active_support/testing/alternative_runtime_skipper"
 require "concurrent/utility/processor_counter"
 
 module ActiveSupport
@@ -143,6 +144,7 @@ module ActiveSupport
     include ActiveSupport::Testing::TimeHelpers
     include ActiveSupport::Testing::FileFixtures
     extend ActiveSupport::Testing::Declarative
+    include ActiveSupport::Testing::AlternativeRuntimeSkipper
 
 
     # test/unit backwards compatibility methods
diff --git a/activesupport/lib/active_support/testing/alternative_runtime_skipper.rb b/activesupport/lib/active_support/testing/alternative_runtime_skipper.rb
new file mode 100644
index 0000000000..f9e6eaff2f
--- /dev/null
+++ b/activesupport/lib/active_support/testing/alternative_runtime_skipper.rb
@@ -0,0 +1,18 @@
+# frozen_string_literal: true
+
+module ActiveSupport
+  module Testing
+    module AlternativeRuntimeSkipper
+      private
+        # Skips the current run on Rubinius using Minitest::Assertions#skip
+        def rubinius_skip(message = "")
+          skip message if RUBY_ENGINE == "rbx"
+        end
+
+        # Skips the current run on JRuby using Minitest::Assertions#skip
+        def jruby_skip(message = "")
+          skip message if defined?(JRUBY_VERSION)
+        end
+    end
+  end
+end
diff --git a/activesupport/test/abstract_unit.rb b/activesupport/test/abstract_unit.rb
index b46ad6842f..a14748a6b3 100644
--- a/activesupport/test/abstract_unit.rb
+++ b/activesupport/test/abstract_unit.rb
@@ -25,17 +25,4 @@ ActiveSupport.to_time_preserves_timezone = ENV["PRESERVE_TIMEZONES"] == "1"
 # Disable available locale checks to avoid warnings running the test suite.
 I18n.enforce_available_locales = false
 
-class ActiveSupport::TestCase
-  private
-    # Skips the current run on Rubinius using Minitest::Assertions#skip
-    def rubinius_skip(message = "")
-      skip message if RUBY_ENGINE == "rbx"
-    end
-
-    # Skips the current run on JRuby using Minitest::Assertions#skip
-    def jruby_skip(message = "")
-      skip message if defined?(JRUBY_VERSION)
-    end
-end
-
 require_relative "../../tools/test_common"