Move /src/test to /tests

tests/ui/structs/struct-field-init-syntax.rs

@@ -0,0 +1,20 @@
+// issue #41834
+
+#[derive(Default)]
+struct Foo {
+    one: u8,
+}
+
+fn main() {
+    let foo = Foo {
+        one: 111,
+        ..Foo::default(),
+        //~^ ERROR cannot use a comma after the base struct
+    };
+
+    let foo = Foo {
+        ..Foo::default(),
+        //~^ ERROR cannot use a comma after the base struct
+        one: 111,
+    };
+}