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, 0 insertions, 215 deletions

diff --git a/src/test/run-make/coverage/closure.rs b/src/test/run-make/coverage/closure.rs
deleted file mode 100644
index 32ec0bcdf8c..00000000000
--- a/src/test/run-make/coverage/closure.rs
+++ /dev/null
@@ -1,215 +0,0 @@
-#![allow(unused_assignments, unused_variables)]
-// compile-flags: -C opt-level=2 # fix described in rustc_middle/mir/mono.rs
-fn main() {
-    // Initialize test constants in a way that cannot be determined at compile time, to ensure
-    // rustc and LLVM cannot optimize out statements (or coverage counters) downstream from
-    // dependent conditions.
-    let is_true = std::env::args().len() == 1;
-    let is_false = ! is_true;
-
-    let mut some_string = Some(String::from("the string content"));
-    println!(
-        "The string or alt: {}"
-        ,
-        some_string
-            .
-            unwrap_or_else
-        (
-            ||
-            {
-                let mut countdown = 0;
-                if is_false {
-                    countdown = 10;
-                }
-                "alt string 1".to_owned()
-            }
-        )
-    );
-
-    some_string = Some(String::from("the string content"));
-    let
-        a
-    =
-        ||
-    {
-        let mut countdown = 0;
-        if is_false {
-            countdown = 10;
-        }
-        "alt string 2".to_owned()
-    };
-    println!(
-        "The string or alt: {}"
-        ,
-        some_string
-            .
-            unwrap_or_else
-        (
-            a
-        )
-    );
-
-    some_string = None;
-    println!(
-        "The string or alt: {}"
-        ,
-        some_string
-            .
-            unwrap_or_else
-        (
-            ||
-            {
-                let mut countdown = 0;
-                if is_false {
-                    countdown = 10;
-                }
-                "alt string 3".to_owned()
-            }
-        )
-    );
-
-    some_string = None;
-    let
-        a
-    =
-        ||
-    {
-        let mut countdown = 0;
-        if is_false {
-            countdown = 10;
-        }
-        "alt string 4".to_owned()
-    };
-    println!(
-        "The string or alt: {}"
-        ,
-        some_string
-            .
-            unwrap_or_else
-        (
-            a
-        )
-    );
-
-    let
-        quote_closure
-    =
-        |val|
-    {
-        let mut countdown = 0;
-        if is_false {
-            countdown = 10;
-        }
-        format!("'{}'", val)
-    };
-    println!(
-        "Repeated, quoted string: {:?}"
-        ,
-        std::iter::repeat("repeat me")
-            .take(5)
-            .map
-        (
-            quote_closure
-        )
-            .collect::<Vec<_>>()
-    );
-
-    let
-        _unused_closure
-    =
-        |
-            mut countdown
-        |
-    {
-        if is_false {
-            countdown = 10;
-        }
-        "closure should be unused".to_owned()
-    };
-
-    let mut countdown = 10;
-    let _short_unused_closure = | _unused_arg: u8 | countdown += 1;
-
-
-    let short_used_covered_closure_macro = | used_arg: u8 | println!("called");
-    let short_used_not_covered_closure_macro = | used_arg: u8 | println!("not called");
-    let _short_unused_closure_macro = | _unused_arg: u8 | println!("not called");
-
-
-
-
-    let _short_unused_closure_block = | _unused_arg: u8 | { println!("not called") };
-
-    let _shortish_unused_closure = | _unused_arg: u8 | {
-        println!("not called")
-    };
-
-    let _as_short_unused_closure = |
-        _unused_arg: u8
-    | { println!("not called") };
-
-    let _almost_as_short_unused_closure = |
-        _unused_arg: u8
-    | { println!("not called") }
-    ;
-
-
-
-
-
-    let _short_unused_closure_line_break_no_block = | _unused_arg: u8 |
-println!("not called")
-    ;
-
-    let _short_unused_closure_line_break_no_block2 =
-        | _unused_arg: u8 |
-            println!(
-                "not called"
-            )
-    ;
-
-    let short_used_not_covered_closure_line_break_no_block_embedded_branch =
-        | _unused_arg: u8 |
-            println!(
-                "not called: {}",
-                if is_true { "check" } else { "me" }
-            )
-    ;
-
-    let short_used_not_covered_closure_line_break_block_embedded_branch =
-        | _unused_arg: u8 |
-        {
-            println!(
-                "not called: {}",
-                if is_true { "check" } else { "me" }
-            )
-        }
-    ;
-
-    let short_used_covered_closure_line_break_no_block_embedded_branch =
-        | _unused_arg: u8 |
-            println!(
-                "not called: {}",
-                if is_true { "check" } else { "me" }
-            )
-    ;
-
-    let short_used_covered_closure_line_break_block_embedded_branch =
-        | _unused_arg: u8 |
-        {
-            println!(
-                "not called: {}",
-                if is_true { "check" } else { "me" }
-            )
-        }
-    ;
-
-    if is_false {
-        short_used_not_covered_closure_macro(0);
-        short_used_not_covered_closure_line_break_no_block_embedded_branch(0);
-        short_used_not_covered_closure_line_break_block_embedded_branch(0);
-    }
-    short_used_covered_closure_macro(0);
-    short_used_covered_closure_line_break_no_block_embedded_branch(0);
-    short_used_covered_closure_line_break_block_embedded_branch(0);
-}