Move /src/test to /tests

tests/ui/array-slice-vec/array-break-length.stderr

@@ -0,0 +1,15 @@
+error[E0268]: `break` outside of a loop or labeled block
+  --> $DIR/array-break-length.rs:3:17
+   |
+LL |         |_: [_; break]| {}
+   |                 ^^^^^ cannot `break` outside of a loop or labeled block
+
+error[E0268]: `continue` outside of a loop
+  --> $DIR/array-break-length.rs:7:17
+   |
+LL |         |_: [_; continue]| {}
+   |                 ^^^^^^^^ cannot `continue` outside of a loop
+
+error: aborting due to 2 previous errors
+
+For more information about this error, try `rustc --explain E0268`.