DO NOT MERGE: add TestPyPI index to uv search path

Author: vbarua

pyproject.toml

@@ -89,4 +89,8 @@ ruff = ">=0.14.10,<0.15"
 [tool.pixi.pypi-options]
 index-url = "https://pypi.org/simple"
 extra-index-urls = ["https://test.pypi.org/simple/"]
-index-strategy = "unsafe-first-match"
+index-strategy = "unsafe-first-match"
+
+[tool.uv]
+extra-index-url = ["https://test.pypi.org/simple/"]
+index-strategy = "unsafe-best-match"