Move macOS dSYM test to its own directory

Author: Aaron1011

tests/macos_frames.rs

@@ -0,0 +1,26 @@
+// Based on from https://github.com/rust-lang/rust/blob/2cb0b8582ebbf9784db9cec06fff517badbf4553/src/test/ui/issues/issue-45731.rs
+// This needs to go in its own file in its own directory, since it modifies the dSYM
+// for the entire directory
+#[test]
+#[cfg(target_os = "macos")]
+fn backtrace_no_dsym() {
+    use std::{env, fs, panic};
+
+    // Find our dSYM and replace the DWARF binary with an empty file
+    let mut dsym_path = env::current_exe().unwrap();
+    let executable_name = dsym_path.file_name().unwrap().to_str().unwrap().to_string();
+    assert!(dsym_path.pop()); // Pop executable
+    dsym_path.push(format!(
+        "{}.dSYM/Contents/Resources/DWARF/{0}",
+        executable_name
+    ));
+    let _ = fs::OpenOptions::new()
+        .read(false)
+        .write(true)
+        .truncate(true)
+        .create(false)
+        .open(&dsym_path)
+        .unwrap();
+
+    backtrace::Backtrace::new();
+}