Merge pull request #223 from openmm/feat/add_openff-toolkit-testing-t…

…o-matrix

fix syntax issues

.github/workflows/ci.yaml

@@ -16,10 +16,8 @@ concurrency:
 
 jobs:
   test:
-
-    name: Test on ${{ matrix.os }}, Python ${{ matrix.python-version }}, Latest openff-toolkit: ${{ matrix.latest-openff-toolkit }}
+    name: Test on ${{ matrix.os }}, Python ${{ matrix.python-version }}, Latest openff-toolkit ${{ matrix.latest-openff-toolkit }}
     runs-on: ${{ matrix.os }}
-
     strategy:
       fail-fast: false
       matrix:
@@ -33,7 +31,7 @@ jobs:
     - name: Setup Conda Environment
       uses: conda-incubator/setup-miniconda@v2
       with:
-        python-version: ${{ matrix.cfg.python-version }}
+        python-version: ${{ matrix.python-version }}
         environment-file: devtools/conda-envs/test_env.yaml
         mamba-version: "*"
         channel-priority: true
@@ -69,6 +67,7 @@ jobs:
         pytest -v -x -s --log-cli-level $LOGLEVEL --cov=openmmforcefields openmmforcefields/tests/test_system_generator.py
       env:
         LOGLEVEL: "INFO"
+        KMP_DUPLICATE_LIB_OK: "True"
 
     - name: Test AMBER conversion
       shell: bash -l {0}