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, 45 insertions, 0 deletions

diff --git a/tests/codegen-units/partitioning/local-generic.rs b/tests/codegen-units/partitioning/local-generic.rs
new file mode 100644
index 00000000000..38aec7291df
--- /dev/null
+++ b/tests/codegen-units/partitioning/local-generic.rs
@@ -0,0 +1,45 @@
+// We specify incremental here because we want to test the partitioning for
+// incremental compilation
+// incremental
+// compile-flags:-Zprint-mono-items=eager
+
+#![allow(dead_code)]
+#![crate_type="lib"]
+
+//~ MONO_ITEM fn generic::<u32> @@ local_generic.volatile[External]
+//~ MONO_ITEM fn generic::<u64> @@ local_generic.volatile[External]
+//~ MONO_ITEM fn generic::<char> @@ local_generic.volatile[External]
+//~ MONO_ITEM fn generic::<&str> @@ local_generic.volatile[External]
+pub fn generic<T>(x: T) -> T { x }
+
+//~ MONO_ITEM fn user @@ local_generic[Internal]
+fn user() {
+    let _ = generic(0u32);
+}
+
+mod mod1 {
+    pub use super::generic;
+
+    //~ MONO_ITEM fn mod1::user @@ local_generic-mod1[Internal]
+    fn user() {
+        let _ = generic(0u64);
+    }
+
+    mod mod1 {
+        use super::generic;
+
+        //~ MONO_ITEM fn mod1::mod1::user @@ local_generic-mod1-mod1[Internal]
+        fn user() {
+            let _ = generic('c');
+        }
+    }
+}
+
+mod mod2 {
+    use super::generic;
+
+    //~ MONO_ITEM fn mod2::user @@ local_generic-mod2[Internal]
+    fn user() {
+        let _ = generic("abc");
+    }
+}