Move /src/test to /tests

tests/ui/lifetimes/lifetime-errors/ex2c-push-inference-variable.rs

@@ -0,0 +1,11 @@
+struct Ref<'a, T: 'a> {
+    data: &'a T
+}
+
+fn foo<'a, 'b, 'c>(x: &'a mut Vec<Ref<'b, i32>>, y: Ref<'c, i32>) {
+    let z = Ref { data: y.data };
+    x.push(z);
+    //~^ ERROR lifetime may not live long enough
+}
+
+fn main() { }