Fix rubocop

spec/performable_mailer_spec.rb

@@ -46,11 +46,11 @@ def signup(email)
     describe 'delay' do
       it 'enqueues a PerformableEmail job' do
         expect do
-          job = MyMailer.with(foo: 1, bar: 2).delay.signup('john@example.com')
+          job = MyMailer.with(:foo => 1, :bar => 2).delay.signup('john@example.com')
           expect(job.payload_object.class).to eq(Delayed::PerformableMailer)
           expect(job.payload_object.object.class).to eq(ActionMailer::Parameterized::Mailer)
           expect(job.payload_object.object.instance_variable_get('@mailer')).to eq(MyMailer)
-          expect(job.payload_object.object.instance_variable_get('@params')).to eq(foo: 1, bar: 2)
+          expect(job.payload_object.object.instance_variable_get('@params')).to eq(:foo => 1, :bar => 2)
           expect(job.payload_object.method_name).to eq(:signup)
           expect(job.payload_object.args).to eq(['john@example.com'])
         end.to change { Delayed::Job.count }.by(1)
@@ -60,7 +60,7 @@ def signup(email)
     describe 'delay on a mail object' do
       it 'raises an exception' do
         expect do
-          MyMailer.with(foo: 1, bar: 2).signup('john@example.com').delay
+          MyMailer.with(:foo => 1, :bar => 2).signup('john@example.com').delay
         end.to raise_error(RuntimeError)
       end
     end