Update dependency expecttest to ^0.3.0 (#231)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

poetry.lock

@@ -31,7 +31,7 @@ mypy = "^1.8.0"
 types-tqdm = "^4.66.0.5"
 lightning = "^2.1.3"
 rich = "^13.7.0"
-expecttest = "^0.2.1"
+expecttest = "^0.3.0"
 prettyprinter = "^0.18.0"
 kaleido = "0.2.1"
 imageio = "^2.33.1"