Move libXtest into libX/tests

This change moves:

1. `libcoretest` into `libcore/tests`
2. `libcollectionstest` into `libcollections/tests`

This is a follow-up to #39561.

1 files changed, 54 insertions, 0 deletions

diff --git a/src/libcollections/tests/lib.rs b/src/libcollections/tests/lib.rs
new file mode 100644
index 00000000000..618eb386c0f
--- /dev/null
+++ b/src/libcollections/tests/lib.rs
@@ -0,0 +1,54 @@
+// Copyright 2015 The Rust Project Developers. See the COPYRIGHT
+// file at the top-level directory of this distribution and at
+// http://rust-lang.org/COPYRIGHT.
+//
+// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
+// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
+// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
+// option. This file may not be copied, modified, or distributed
+// except according to those terms.
+
+#![deny(warnings)]
+
+#![feature(binary_heap_extras)]
+#![feature(binary_heap_peek_mut_pop)]
+#![feature(box_syntax)]
+#![feature(inclusive_range_syntax)]
+#![feature(collection_placement)]
+#![feature(collections)]
+#![feature(const_fn)]
+#![feature(exact_size_is_empty)]
+#![feature(pattern)]
+#![feature(placement_in_syntax)]
+#![feature(rand)]
+#![feature(step_by)]
+#![feature(str_escape)]
+#![feature(test)]
+#![feature(unboxed_closures)]
+#![feature(unicode)]
+#![feature(utf8_error_error_len)]
+
+extern crate collections;
+extern crate test;
+extern crate std_unicode;
+extern crate core;
+
+use std::hash::{Hash, Hasher};
+use std::collections::hash_map::DefaultHasher;
+
+mod binary_heap;
+mod btree;
+mod cow_str;
+mod fmt;
+mod linked_list;
+mod slice;
+mod str;
+mod string;
+mod vec_deque;
+mod vec;
+
+fn hash<T: Hash>(t: &T) -> u64 {
+    let mut s = DefaultHasher::new();
+    t.hash(&mut s);
+    s.finish()
+}