Add a way to enable tracing in tests

Author: shepmaster

compiler/base/orchestrator/Cargo.lock

@@ -23,3 +23,4 @@ tracing = { version = "0.1.37", default-features = false, features = ["attribute
 assert_matches = "1.5.0"
 assertables = "7.0.1"
 tempdir = "0.3.7"
+tracing-subscriber = "0.3.17"

compiler/base/orchestrator/Cargo.toml

@@ -1365,6 +1365,19 @@ mod tests {
 
     use super::*;
 
+    #[allow(dead_code)]
+    fn setup_tracing() {
+        use tracing::Level;
+        use tracing_subscriber::fmt::TestWriter;
+
+        tracing_subscriber::fmt()
+            .with_ansi(false)
+            .with_max_level(Level::TRACE)
+            .with_writer(TestWriter::new())
+            .try_init()
+            .ok();
+    }
+
     #[derive(Debug)]
     struct TestBackend {
         project_dir: TempDir,