Automatically run tests within check target

Signed-off-by: Slávek Banko <slavek.banko@axis.cz>
(cherry picked from commit 6455cb89f3)

modules/TDEMacros.cmake

@@ -1166,7 +1166,10 @@ macro( tde_add_check_executable _arg_target )
 
   # create make check target
   if(NOT TARGET check)
-      add_custom_target(check)
+      add_custom_target( check
+        COMMAND ${CMAKE_CTEST_COMMAND}
+        WORKING_DIRECTORY "${CMAKE_BINARY_DIR}"
+        COMMENT "Running tests..." )
   endif(NOT TARGET check)
 
   add_dependencies( check ${_target} )