Some updates to the tox config

Update things to avoid using pip, so that uv can be used

pyproject.toml

@@ -63,7 +63,10 @@ minversion = 4.6
 doctest_plus = true
 doctest_rst = true
 text_file_format = "rst"
-addopts = "--color=yes --doctest-rst"
+addopts = [
+    "--color=yes",
+    "--doctest-rst",
+]
 testpaths = ["tests"]
 filterwarnings = [
     "error",

tox.ini

@@ -45,14 +45,15 @@ deps =
     cov: pytest-cov
     oldestdeps: minimum_dependencies
     rad: rad @ git+https://github.com/spacetelescope/rad.git@main#egg=rad
+    romancal: romancal[test] @ git+https://github.com/spacetelescope/romancal.git
 commands_pre =
     oldestdeps: minimum_dependencies roman_datamodels --filename requirements-min.txt
     oldestdeps: pip install -r requirements-min.txt
     devdeps: pip install -r requirements-dev.txt -U --upgrade-strategy eager
-    pip freeze
+    {list_dependencies_command}
 commands =
     pytest \
-    warnings: -W error \
+    romancal: -W ignore::DeprecationWarning -W ignore::UserWarning -W ignore::pytest.PytestUnknownMarkWarning -W ignore::pytest.PytestUnraisableExceptionWarning -W ignore::erfa.core.ErfaWarning -W ignore::roman_datamodels.datamodels._utils.FilenameMismatchWarning -W ignore::astropy.io.fits.verify.VerifyWarning -W ignore::RuntimeWarning --pyargs romancal \
     xdist: -n auto \
     cov: --cov=roman_datamodels --cov=tests --cov-config pyproject.toml --cov-report term-missing --cov-report xml \
     {posargs}
@@ -70,19 +71,3 @@ deps =
     build
 commands =
     python -m build .
-
-[testenv:withromancal]
-allowlist_externals =
-    git
-    bash
-deps =
-    pytest-cov
-commands_pre =
-    bash -c "pip freeze -q | grep 'roman_datamodels @' > {env_tmp_dir}/requirements.txt"
-    pip install git+https://github.com/spacetelescope/romancal.git
-    pip install -r {env_tmp_dir}/requirements.txt
-    pip freeze
-commands =
-    pytest tests/test_open.py::test_open_asn \
-    --cov=tests --cov-config pyproject.toml --cov-report term-missing --cov-report xml \
-    {posargs}