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, 25 insertions, 0 deletions

diff --git a/tests/ui/numbers-arithmetic/numeric-method-autoexport.rs b/tests/ui/numbers-arithmetic/numeric-method-autoexport.rs
new file mode 100644
index 00000000000..5798c2591a0
--- /dev/null
+++ b/tests/ui/numbers-arithmetic/numeric-method-autoexport.rs
@@ -0,0 +1,25 @@
+// run-pass
+// This file is intended to test only that methods are automatically
+// reachable for each numeric type, for each exported impl, with no imports
+// necessary. Testing the methods of the impls is done within the source
+// file for each numeric type.
+
+use std::ops::Add;
+
+pub fn main() {
+// ints
+    // num
+    assert_eq!(15_isize.add(6_isize), 21_isize);
+    assert_eq!(15_i8.add(6i8), 21_i8);
+    assert_eq!(15_i16.add(6i16), 21_i16);
+    assert_eq!(15_i32.add(6i32), 21_i32);
+    assert_eq!(15_i64.add(6i64), 21_i64);
+
+// uints
+    // num
+    assert_eq!(15_usize.add(6_usize), 21_usize);
+    assert_eq!(15_u8.add(6u8), 21_u8);
+    assert_eq!(15_u16.add(6u16), 21_u16);
+    assert_eq!(15_u32.add(6u32), 21_u32);
+    assert_eq!(15_u64.add(6u64), 21_u64);
+}