If I got one afternoon with a new engineer before they touched a single testing tool, I would not open a framework. I would not show them a mocking library or a CI config. I would teach them two old ideas that have nothing to do with any specific technology, because in a decade of doing this I ...
Source: [Dev.to](https://dev.to/keploy/the-two-testing-ideas-id-teach-a-new-engineer-before-any-tool-2k3i)