Fix specs

spec/rspec/mocks/argument_matchers_spec.rb

@@ -388,7 +388,7 @@ def ==(other)
               expect(a_double).to receive(:random_call).with(opts)
               a_double.random_call(:a => "a", :b => "b")
             end.to fail_with do |failure|
-              expect(failure.message).to match(/received unexpected message :random_call with \(\{:a=>"a", :b=>"b"\}\)/)
+              expect(failure.message).to include('received unexpected message :random_call with ({:a=>"a", :b=>"b"})')
               reset_all
             end
           end

spec/rspec/mocks/matchers/receive_spec.rb

@@ -136,7 +136,10 @@ def kw_args_method(a:, b:); end
                   dbl = instance_double(TestObject)
                   expect(dbl).to receive(:kw_args_method).with({a: 1, b: 2})
                   dbl.kw_args_method(a: 1, b: 2)
-                }.to fail_with(/received unexpected message :kw_args_method with \(\{:a=>1, :b=>2\}\)/)
+                }.to fail_with do |failure|
+                  reset_all
+                  expect(failure.message).to include("received unexpected message :kw_args_method with ({:a=>1, :b=>2})")
+                end
               end
             else
               it "expects to receive keyword args with a hash" do