```ruby
describe "brew outdated", :integration_test do
  it "prints outdated Formulae" do
    setup_test_formula "testball"
    (HOMEBREW_CELLAR/"testball/0.0.1/foo").mkpath

    expect { brew "outdated" }
      .to output("testball\n").to_stdout
      .and not_to_output.to_stderr
      .and be_a_success
  end
end
```

Add test for verbose brew outdated output
user
```ruby
describe "brew outdated", :integration_test do
  context "quiet output" do
    it "prints outdated Formulae" do
      setup_test_formula "testball"
      (HOMEBREW_CELLAR/"testball/0.0.1/foo").mkpath

      expect { brew "outdated" }
        .to output("testball\n").to_stdout
        .and not_to_output.to_stderr
        .and be_a_success
    end
  end

  context "verbose output" do
    it "prints out the installed and newer versions" do
      setup_test_formula "testball"
      (HOMEBREW_CELLAR/"testball/0.0.1/foo").mkpath

      expect { brew "outdated", "--verbose" }
        .to output("testball (0.0.1) < 0.1\n").to_stdout
        .and not_to_output.to_stderr
        .and be_a_success
    end
  end
end
```
assistant