Move /src/test to /tests

tests/ui/impl-trait/trait_resolution.rs

@@ -0,0 +1,30 @@
+// check-pass
+
+use std::fmt::Debug;
+
+pub struct EventStream<S> {
+    stream: S,
+}
+
+impl<S: Debug> EventStream<S> {
+    fn into_stream(self) -> impl Debug {
+        unimplemented!()
+    }
+
+    pub fn into_reader(self) -> impl Debug {
+        ReaderStream::from(self.into_stream())
+    }
+}
+
+#[derive(Debug)]
+pub struct ReaderStream<S> {
+    stream: S,
+}
+
+impl<S> From<S> for ReaderStream<S> {
+    fn from(stream: S) -> Self {
+        ReaderStream { stream }
+    }
+}
+
+fn main() {}