fixed: set a longer timeout for valgrind enabled tests

cmake/Scripts/IFEMTesting.cmake

@@ -77,6 +77,9 @@ function(IFEM_add_test name binary)
     set(VALGRIND "-v ${MEMCHECK_COMMAND}")
   endif()
   add_test("${test-name}" regtest.sh ${VALGRIND} -a ${EXECUTABLE_OUTPUT_PATH}/${binary} -r ${PROJECT_SOURCE_DIR}/${TEST_SUBDIR}/Test/${name} ${ARGN})
+  if(IFEM_TEST_MEMCHECK)
+    set_tests_properties(${test-name} PROPERTIES TIMEOUT 5000)
+  endif()
 endfunction()
 
 function(IFEM_add_restart_test name binary rlevel)