rule: jest/no-truthy-falsy and jest/valid-describe not found.

version: 3.1.11
```
  'jest/no-truthy-falsy': 'error',
'jest/valid-describe': 'error',
```
These two rules appear in this version 3.1.11. 3.1.12 does not.
What is their corresponding version of 'eslint-plugin-jest'?
