Auto merge of #106458 - albertlarsan68:move-tests, r=jyn514

Move src/test to the root

See MCP at rust-lang/compiler-team#573

There may be more changes needed.

The first commit is just the move of the files:
You can check that the first commit did not do anything else than renames by running
```
git diff --diff-filter=r -M100% <rust-lang remote>/master <first commit hash>
```
The output should be empty, because the filter excludes renames, and the match threshold for qualifying a rename is 100%.

The second one is mostly a "find and replace" of `src/test` to `tests` and whatever is needed to make CI pass.

What is left to do:
---

- [x] Move directory
- [ ] Change references to `src/test`
    - [x] Change references in-tree
    - [ ] Change references in submodules / out-of-tree docs
- [x] Make CI pass:
    - [x] Fix tidy
    - [x] Fix tests
    - [x] Bless tests if needed (shouldn't normally)
- [ ] Merge it !

1 files changed, 27 insertions, 0 deletions

diff --git a/tests/ui/structs-enums/nested-enum-same-names.rs b/tests/ui/structs-enums/nested-enum-same-names.rs
new file mode 100644
index 00000000000..111b9ba9477
--- /dev/null
+++ b/tests/ui/structs-enums/nested-enum-same-names.rs
@@ -0,0 +1,27 @@
+// run-pass
+#![allow(dead_code)]
+// pretty-expanded FIXME #23616
+
+/*
+
+#7770 ICE with sibling methods containing same-name-enum containing
+ same-name-member
+
+If you have two methods in an impl block, each containing an enum
+(with the same name), each containing at least one value with the same
+name, rustc gives the same LLVM symbol for the two of them and fails,
+as it does not include the method name in the symbol name.
+
+*/
+
+pub struct Foo;
+impl Foo {
+    pub fn foo() {
+        enum Panic { Common }
+    }
+    pub fn bar() {
+        enum Panic { Common }
+    }
+}
+
+pub fn main() {}