code: public static void describe(String text, Invokable block) {
  		failIfNoSuiteBuilderAvailable("describe");
  		suiteBuilder.describe(text, block);
  	}
docs: Creates a new test suite.
  <p>Test suites can contain:
  <ul>
  <li>specs (defined by using {@code it()}</li>
  <li>other suites (defined by nesting {@code describe()} calls)</li>
  <li>{@code beforeEach()} and {@code afterEach()} handlers.</li>
  </ul>
  <p>For example:
  <pre>{@code
  describe("my test suite", () -> {
  ...
  });
  }</pre>
  @param text A description of the test suite
  @param block A code block that represents the test suite