internal/e2e: rename existing testscript and add a summary
We will soon add more end-to-end test scripts,
so one of them being called "basic" is not very helpful anymore.
It's also helpful if the script begins with a short summary
describing what the test is meant to do.
Signed-off-by: Daniel Martí <mvdan@mvdan.cc>
Change-Id: Ic464983b0e503c4c08d5d3f49984dcc20ab82b65
Reviewed-on: https://review.gerrithub.io/c/cue-lang/cue/+/1171909
TryBot-Result: CUEcueckoo <cueckoo@cuelang.org>
Reviewed-by: Roger Peppe <rogpeppe@gmail.com>