simplify config a bit (#644)

Author: ocefpaf

.github/workflows/ci-tests.yml

@@ -82,10 +82,7 @@ jobs:
         export PATH=${{ matrix.gitpath-prepend }}$PATH
         which git
         git --version
-        pip install -e . --no-build-isolation --no-deps
-        pushd requirements/
-        pixi run --frozen pytest --pyargs cf_units ${{ matrix.posargs }}
-        popd
+        pixi run --frozen pytest ${{ matrix.posargs }}
 
     - name: "Upload coverage report to Codecov"
       if: contains(matrix.posargs, '--cov')

pyproject.toml

@@ -246,7 +246,7 @@ build = { cmd = ["python", "setup.py", "build_ext", "--inplace"], depends-on = [
 clean = { cmd = ["python", "setup.py", "clean_cython"] }
 fmt = "ruff format"
 lint = "ruff check"
-pytest = { cmd = ["pytest"], depends-on = ["build"] }
+pytest = { cmd = "cd .. && pytest --pyargs cf_units", depends-on = ["build"] }
 
 [tool.pixi.feature.docs.dependencies]
 sphinx = "*"