classy: removed from install_skip for tests

Author: JesusTorrado

.github/workflows/tests.yml

@@ -51,12 +51,12 @@ jobs:
           - name: "Anaconda Python (ruff, no numba)"
             os: ubuntu-latest
             pydist: "ANACONDA"
-            cobaya_skip: classy,polychord
+            cobaya_skip: polychord
           - name: "Latest Python 3.x (with polychord)"
             os: ubuntu-latest
             python-version: "3.x"
             mpi: openmpi
-            cobaya_skip: classy, polychord
+            cobaya_skip: polychord
           - name: "OS X Python 3.10 (with classy)"
             os: macos-latest
             python-version: "3.10"
@@ -66,7 +66,7 @@ jobs:
             os: windows-latest
             python-version: "3.12"
             mpi: intelmpi
-            cobaya_skip: classy,polychord
+            cobaya_skip: polychord
     steps:
       - name: Set COBAYA_INSTALL_SKIP
         shell: bash