The LDP WG developed a [Test Suite](https://w3c.github.io/ldp-testsuite/) that is very helpful. The project has been kept up-to-date by [Trellis-ldp](https://github.com/trellis-ldp/) project which has [a fork of the ldp-testsuite](https://github.com/trellis-ldp/ldp-testsuite). For an initial implementation of Solid the BasicContainer part of LDP is the most important.