Add a test file to observe the behavior of the built-in libtest

tests/real/mixed_bag.rs

@@ -0,0 +1,45 @@
+#![feature(test)]
+
+extern crate test;
+
+
+#[test]
+fn cat() {}
+
+#[test]
+fn dog() {
+    panic!("was not a good boy");
+}
+
+#[test]
+#[ignore]
+fn frog() {}
+
+#[test]
+#[ignore]
+fn owl() {
+    panic!("broke neck");
+}
+
+
+#[bench]
+fn red(b: &mut test::Bencher) {
+    b.iter(|| std::thread::sleep(std::time::Duration::from_millis(50)));
+}
+
+#[bench]
+fn blue(_: &mut test::Bencher) {
+    panic!("sky fell down");
+}
+
+#[bench]
+#[ignore]
+fn purple(b: &mut test::Bencher) {
+    b.iter(|| {});
+}
+
+#[bench]
+#[ignore]
+fn cyan(_: &mut test::Bencher) {
+    panic!("not creative enough");
+}