Add TestProject wrapper for mutable tests.

Change-Id: I1e03bc8fbb78411375777388620f522cde12b21f
Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/qg/+/126771
Commit-Queue: Erik Gilling <konkers@google.com>
Reviewed-by: Alexei Frolov <frolv@google.com>
4 files changed
tree: 9685b2999624e3f0ac2753e716db404aa0538757
  1. examples/
  2. qg/
  3. qg-cli/
  4. tools/
  5. .gitignore
  6. Cargo.toml
  7. rustfmt.toml