[ci] Run the cppyy tests on osx even though there is no valgrind. (#261)

Author: vgvassilev

.github/workflows/ci.yml

@@ -1040,6 +1040,7 @@ jobs:
         set -o pipefail
         if [[ "${{ matrix.os }}" == macos-* ]]; then
             echo "Skipping Valgrind checks on OS X"
+            python -m pytest -m "not xfail" -v
         else
             if [[ "${{ matrix.clang-runtime }}" == "17" ]]; then
                 echo "Valgrind reports true for clang-runtime 17 due to problems with LLVM"
@@ -1333,4 +1334,4 @@ jobs:
           -DCMAKE_FIND_ROOT_PATH_MODE_PACKAGE=ON            \
           -DCppInterOp_DIR="${{ env.CPPINTEROP_BUILD_DIR }}/lib/cmake/CppInterOp"  \
           ..
-        EMCC_CFLAGS='-sERROR_ON_UNDEFINED_SYMBOLS=0' emmake make -j ${{ env.ncpus }}
+        EMCC_CFLAGS='-sERROR_ON_UNDEFINED_SYMBOLS=0' emmake make -j ${{ env.ncpus }}