Move /src/test to /tests

src/test/ui/for-loop-while/liveness-assign-imm-local-after-loop.rs

@@ -1,18 +0,0 @@
-// run-pass
-#![allow(dead_code)]
-#![allow(unused_assignments)]
-// pretty-expanded FIXME #23616
-
-#![allow(unreachable_code)]
-#![allow(unused_variables)]
-
-fn test(_cond: bool) {
-    let v: isize;
-    v = 1;
-    loop { } // loop never terminates, so no error is reported
-    v = 2;
-}
-
-pub fn main() {
-    // note: don't call test()... :)
-}