add a few more python vars to the pass down for the tests

Tests/CMakeLists.txt

@@ -10,6 +10,8 @@ function(add_autopybind11_test name)
     "-DAutoPyBind11_DIR=${AutoPyBind11_DIR}"
     "-DCastXML_EXECUTABLE=${CastXML_EXECUTABLE}"
     "-DPYTHON_EXECUTABLE=${PYTHON_EXECUTABLE}"
+    "-DPython_LIBRARY=${PYTHON_LIBRARIES}"
+    "-DPython_INCLUDE_DIR=${PYTHON_INCLUDE_DIRS}"
     --test-command ${PYTHON_EXECUTABLE}
     ${CMAKE_CURRENT_SOURCE_DIR}/${name}/${name}.py
     --build-run-dir ${CMAKE_CURRENT_BINARY_DIR}/${name}