move clippy tests back to their intended directory

Author: pietroalbini

tests/ui-toml/array_size_threshold/array_size_threshold.rs

@@ -0,0 +1,10 @@
+#![allow(unused)]
+#![warn(clippy::large_const_arrays, clippy::large_stack_arrays)]
+
+const ABOVE: [u8; 11] = [0; 11];
+const BELOW: [u8; 10] = [0; 10];
+
+fn main() {
+    let above = [0u8; 11];
+    let below = [0u8; 10];
+}

tests/ui-toml/array_size_threshold/array_size_threshold.stderr

@@ -0,0 +1,29 @@
+error: large array defined as const
+  --> $DIR/array_size_threshold.rs:4:1
+   |
+LL | const ABOVE: [u8; 11] = [0; 11];
+   | -----^^^^^^^^^^^^^^^^^^^^^^^^^^^
+   | |
+   | help: make this a static item: `static`
+   |
+   = note: `-D clippy::large-const-arrays` implied by `-D warnings`
+
+error: allocating a local array larger than 10 bytes
+  --> $DIR/array_size_threshold.rs:4:25
+   |
+LL | const ABOVE: [u8; 11] = [0; 11];
+   |                         ^^^^^^^
+   |
+   = help: consider allocating on the heap with `vec![0; 11].into_boxed_slice()`
+   = note: `-D clippy::large-stack-arrays` implied by `-D warnings`
+
+error: allocating a local array larger than 10 bytes
+  --> $DIR/array_size_threshold.rs:8:17
+   |
+LL |     let above = [0u8; 11];
+   |                 ^^^^^^^^^
+   |
+   = help: consider allocating on the heap with `vec![0u8; 11].into_boxed_slice()`
+
+error: aborting due to 3 previous errors
+

tests/ui-toml/array_size_threshold/clippy.toml

@@ -0,0 +1 @@
+array-size-threshold = 10