Option WXM_MAXIMA_DEMO_TESTS to run Maxima demo files as test.

These tests were not created to test (past) wxMaxima issues,
but just cost time on the CI. And visual issues can not be
seen during the CI test. OFF by default.

Author: daute

CMakeLists.txt

@@ -58,6 +58,8 @@ option(WXM_INTERPROCEDURAL_OPTIMIZATION
     "Enable interprocedural optimization (IPO/LTO)." OFF)
 option(WXM_PO4A_UPDATE_MANUAL_PO_POT_FILES
     "Update the po/pot locale files in the source tree." OFF)
+option(WXM_MAXIMA_DEMO_TESTS
+    "Run Maxima demo files as test." OFF)
 
 if(DEFINED MACOSX_VERSION_MIN)
     set(CMAKE_OSX_DEPLOYMENT_TARGET ${MACOSX_VERSION_MIN} CACHE STRING FORCE)

test/CMakeLists.txt

@@ -95,6 +95,8 @@ add_test(
     COMMAND "${CMAKE_CURRENT_BINARY_DIR}/check-wxMathML.sh" "wxbuild_info();" "WxMaxima"
 )
 
+# run Maxima demo files as test?
+if(WXM_MAXIMA_DEMO_TESTS)
 # Tests that use "%" to reference past lines cannot be executed using "load()".
 # But running a few demos just to see if there is bit rot might be a good idea.
 #
@@ -155,6 +157,7 @@ foreach(f ${DEMO_FILES})
 	      NAME ${f}
     	      COMMAND wxmaxima --debug --logtostderr --pipe --batch automatic_test_files/${f}.wxm)
 endforeach()
+endif()
 
 add_test(
     NAME wxbug_report