The ignoreTopLevelDescribe option for lowercase-name rule, added in #611, seems to only apply to the first describe block in a file.
e.g. 'Booleans' gets flagged as a rule violation here:
describe('Strings', () => {
it('are strings', () => {
expect('abc').toBe('abc');
});
});
describe('Booleans', () => {
it('are booleans', () => {
expect(true).toBe(true);
});
});