Convert specs to RSpec 2.99.0 syntax with Transpec

This conversion is done by Transpec 2.3.1 with the following command:
    transpec

* 566 conversions
    from: obj.should
      to: expect(obj).to

* 66 conversions
    from: obj.should_receive(:message)
      to: expect(obj).to receive(:message)

* 64 conversions
    from: obj.should_not
      to: expect(obj).not_to

* 44 conversions
    from: describe 'some request' { }
      to: describe 'some request', :type => :request { }

* 39 conversions
    from: == expected
      to: eq(expected)

* 33 conversions
    from: describe 'some model' { }
      to: describe 'some model', :type => :model { }

* 22 conversions
    from: it { should ... }
      to: it { is_expected.to ... }

* 13 conversions
    from: be_true
      to: be_truthy

* 13 conversions
    from: stub('something')
      to: double('something')

* 12 conversions
    from: be_false
      to: be_falsey

* 10 conversions
    from: it { should_not ... }
      to: it { is_expected.not_to ... }

* 9 conversions
    from: obj.should_receive(:message).any_number_of_times
      to: allow(obj).to receive(:message)

* 8 conversions
    from: lambda { }.should
      to: expect { }.to

* 8 conversions
    from: obj.stub(:message)
      to: allow(obj).to receive(:message)

* 7 conversions
    from: describe 'some controller' { }
      to: describe 'some controller', :type => :controller { }

* 5 conversions
    from: describe 'some helper' { }
      to: describe 'some helper', :type => :helper { }

* 2 conversions
    from: collection.should have(n).items
      to: expect(collection.size).to eq(n)

* 2 conversions
    from: obj.should_not_receive(:message)
      to: expect(obj).not_to receive(:message)

* 1 conversion
    from: > expected
      to: be > expected

* 1 conversion
    from: Klass.any_instance.should_receive(:message)
      to: expect_any_instance_of(Klass).to receive(:message)

* 1 conversion
    from: describe 'some routing' { }
      to: describe 'some routing', :type => :routing { }

* 1 conversion
    from: mock('something')
      to: double('something')

* 1 conversion
    from: pending
      to: skip

For more details: https://github.com/yujinakayama/transpec#supported-conversions
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