Run verbose to find segfaults

Author: bashtage

.github/workflows/build-wheels.yml

@@ -37,7 +37,7 @@ jobs:
       # Skip musl for 3.8 and 3.9 since no upstream wheels
       CIBW_SKIP: "pp* *-win32 *musllinux_aarch64*"
       CIBW_TEST_REQUIRES: pytest pytest-xdist
-      CIBW_TEST_COMMAND: python -c "import statsmodels; statsmodels.test(['-n','auto','--skip-examples','--skip-slow'], exit=True)"
+      CIBW_TEST_COMMAND: python -c "import statsmodels; statsmodels.test(['-v','--skip-examples','--skip-slow'], exit=True)"
       # Avoid testing on emulated architectures and Pyodide
       CIBW_TEST_SKIP: "*-*linux_{aarch64,ppc64le,s390x} *pyodide*"
       CIBW_REPAIR_WHEEL_COMMAND_LINUX: 'auditwheel repair --strip -w {dest_dir} {wheel}'