||Uses TestResolver to read all test manifests in the tree.
Returns a (tests, support_files_map) tuple that describes the tests in the tree:
tests - a set of test file paths
support_files_map - a dict that maps from each support file to a list with
test files that require them it
||Could not find the `fzf` binary.
The `mach try fuzzy` command depends on fzf. Please install it following the
appropriate instructions for your platform:
Only the binary is required, if you do not wish to install the shell and
editor integrations, download the appropriate binary and put it on your $PATH:
||This script is intended to be called through fzf as a preview formatter.
# Define indicating that this build is prior to one of the early betas. To be
# unset mid-way through the beta cycle.