Attribute Macro test_with::runtime_mem

#[runtime_mem]

Run test case when the example running and memory size enough

 // write as example in exmaples/*rs
 test_with::runner!(resource);
 #[test_with::module]
 mod resource {
     // Only works with enough memory size
     #[test_with::runtime_mem(100GB)]
     fn test_ignored_mem_not_enough() {
         panic!("should be ignored")
     }
 }