code: public static void fit(String text, Invokable block) {
  		failIfNoSuiteBuilderAvailable("fit");
  		suiteBuilder.fit(text, block);
  	}
docs: Create a new focussed spec.
  <p>Focussed specs are used to temporarily only run these tests and disable the other specs.
  <p>For example:
  <pre>{@code
  fit("returns a list containing one item", () -> {
  assertEquals(1, getList().size());
  });
  }</pre>
  @param text A description of the expected behavior
  @param block A code block that implements the validation