The analyzer should also detect describes

[ignacio-chiazzo]

describe uses subclasses under the hood which causes the tests to run multiple times. See this example:

class Foo < ActiveSupport::TestCase
  describe("something") do
    test("foo") do
      "my test"
    end
  end

  describe("something else") do
    test("bar") do
      "something"
    end
  end

  test("baz") do
    "I will run 3 times"
  end
end

minitest/minitest#839

The analyzer should detect multiple tests run by the describe.