Update test env not base

.github/workflows/build_test.yml

@@ -13,7 +13,7 @@ jobs:
           channels: conda-forge
       - name: Install dependencies
         run: |
-          $CONDA/bin/conda env update --file requirements.txt --name base
+          $CONDA/bin/conda env update --file requirements.txt --name test
       - name: Build
         run: mkdir build && cd build && cmake .. && make
       - name: Run test