chore: skip tests that rely on linux behavior

These tests panic on macOS, and for now are not relevant since we do not
support profiling on macOS.
When we do support it, we should have os-specific tests

Author: GuillaumeLagrange

src/executor/shared/fifo.rs

@@ -275,7 +275,7 @@ impl RunnerFifo {
     }
 }
 
-#[cfg(test)]
+#[cfg(all(test, target_os = "linux"))]
 mod tests {
     use super::*;
     use std::time::Duration;

src/executor/tests.rs

@@ -146,6 +146,7 @@ async fn acquire_bpf_instrumentation_lock() -> SemaphorePermit<'static> {
     semaphore.acquire().await.unwrap()
 }
 
+#[cfg(target_os = "linux")]
 mod valgrind {
     use super::*;
     use crate::executor::valgrind::executor::ValgrindExecutor;

src/executor/wall_time/perf/debug_info.rs

@@ -127,7 +127,9 @@ pub fn debug_info_by_path(
         .collect()
 }
 
-#[cfg(test)]
+// These tests parse Linux ELF binaries from `testdata/`; gate them on Linux so they're not
+// attempted (and don't abort the test process) when running on macOS.
+#[cfg(all(test, target_os = "linux"))]
 mod tests {
     use super::*;
 

src/executor/wall_time/perf/module_symbols.rs

@@ -177,7 +177,7 @@ impl ModuleSymbols {
     }
 }
 
-#[cfg(test)]
+#[cfg(all(test, target_os = "linux"))]
 mod tests {
     use super::*;
 

src/executor/wall_time/perf/unwind_data.rs

@@ -87,7 +87,7 @@ pub fn unwind_data_from_elf(
     Ok((v3, mapping))
 }
 
-#[cfg(test)]
+#[cfg(all(test, target_os = "linux"))]
 mod tests {
     use super::*;