ci: fixup group usage

Author: cpcloud

.github/workflows/build-wheel.yml

@@ -246,7 +246,7 @@ jobs:
 
       - name: Build cuda.bindings Cython tests
         run: |
-          pip install $(ls ${{ env.CUDA_BINDINGS_ARTIFACTS_DIR }}/*.whl)[test]
+          pip install ${{ env.CUDA_BINDINGS_ARTIFACTS_DIR }}/*.whl --group test
           pushd ${{ env.CUDA_BINDINGS_CYTHON_TESTS_DIR }}
           bash build_tests.sh
           popd
@@ -260,7 +260,7 @@ jobs:
 
       - name: Build cuda.core Cython tests
         run: |
-          pip install $(ls ${{ env.CUDA_CORE_ARTIFACTS_DIR }}/*.whl)[test]
+          pip install ${{ env.CUDA_CORE_ARTIFACTS_DIR }}/*.whl --group test
           pushd ${{ env.CUDA_CORE_CYTHON_TESTS_DIR }}
           bash build_tests.sh
           popd

.github/workflows/test-wheel-linux.yml

@@ -283,7 +283,7 @@ jobs:
         run: |
           set -euo pipefail
           pushd cuda_pathfinder
-          pip install --only-binary=:all: -v ".[test_nvidia_wheels_cu${TEST_CUDA_MAJOR},test_nvidia_wheels_host]"
+          pip install --only-binary=:all: -v . --group "test_nvidia_wheels_cu${TEST_CUDA_MAJOR}" --group test_nvidia_wheels_host
           pip list
           popd
 

.github/workflows/test-wheel-windows.yml

@@ -256,7 +256,7 @@ jobs:
         shell: bash --noprofile --norc -xeuo pipefail {0}
         run: |
           pushd cuda_pathfinder
-          pip install --only-binary=:all: -v ".[test_nvidia_wheels_cu${TEST_CUDA_MAJOR},test_nvidia_wheels_host]"
+          pip install --only-binary=:all: -v . --group "test_nvidia_wheels_cu${TEST_CUDA_MAJOR}" --group test_nvidia_wheels_host
           pip list
           popd