Move /src/test to /tests

tests/ui/array-slice-vec/mutability-inherits-through-fixed-length-vec.rs

@@ -0,0 +1,19 @@
+// run-pass
+
+
+fn test1() {
+    let mut ints = [0; 32];
+    ints[0] += 1;
+    assert_eq!(ints[0], 1);
+}
+
+fn test2() {
+    let mut ints = [0; 32];
+    for i in &mut ints { *i += 22; }
+    for i in &ints { assert_eq!(*i, 22); }
+}
+
+pub fn main() {
+    test1();
+    test2();
+}