assertions.rb: fix assert_no_memory_leak
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@53853 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
assertions.rb: fix assert_no_memory_leak
path of memory_status.rb, as this method has been moved.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@53853 b2dd03c8-39d4-4d8f-98ff-823fe69b080e