Move /src/test to /tests

tests/ui/attr-usage-inline.rs

@@ -0,0 +1,25 @@
+#![allow(dead_code)]
+
+#[inline]
+fn f() {}
+
+#[inline] //~ ERROR: attribute should be applied to function or closure
+struct S;
+
+struct I {
+    #[inline]
+    i: u8,
+}
+
+#[macro_export]
+#[inline]
+macro_rules! m_e {
+    () => {};
+}
+
+#[inline] //~ ERROR: attribute should be applied to function or closure
+macro_rules! m {
+    () => {};
+}
+
+fn main() {}