Set rattler-build path for end-to-end-test

pixi.toml

@@ -8,7 +8,9 @@ platforms = ["linux-64", "win-64", "osx-64", "osx-arm64"]
 [tasks]
 build-release = "cargo build --release"
 install = "cargo install --path . --locked"
-end-to-end-test = "pytest test/end-to-end --snapshot-warn-unused --snapshot-details"
+end-to-end-test = { cmd = "pytest test/end-to-end --snapshot-warn-unused --snapshot-details", depends-on = [
+    "build-release",
+], env = { RATTLER_BUILD_PATH = "$PIXI_PROJECT_ROOT/.pixi/target/release/rattler-build" } }
 test = "cargo test"
 test-ci = "cargo test --release -p rust-tests -- --test-threads 1"
 lint = "pre-commit run --all"