Add failing spec

spec/rspec/rails/fixture_support_spec.rb

@@ -12,6 +12,33 @@ module RSpec::Rails
       end
     end
 
+    context "with use_transactional_tests set to true" do
+      it "works with #uses_transaction helper" do
+        group = RSpec::Core::ExampleGroup.describe do
+          include FixtureSupport
+          self.use_transactional_tests = true
+
+          uses_transaction "doesn't run in transaction"
+
+          it "doesn't run in transaction" do
+            expect(ActiveRecord::Base.connection.transaction_open?).to eq(false)
+          end
+
+          it "runs in transaction" do
+            expect(ActiveRecord::Base.connection.transaction_open?).to eq(true)
+          end
+        end
+
+        expect_to_pass(group)
+      end
+
+      def expect_to_pass(group)
+        result = group.run(failure_reporter)
+        failure_reporter.exceptions.map { |e| raise e }
+        expect(result).to be true
+      end
+    end
+
     it "will allow #setup_fixture to run successfully", skip: Rails.version.to_f <= 6.0 do
       group = RSpec::Core::ExampleGroup.describe do
         include FixtureSupport