fix(function-autoscaler): move TracingGuard above the test module so clippy passes (#545)

Signed-off-by: mesutoezdil <mesudozdil@gmail.com>
Co-authored-by: Bora Oztekin <borao@users.noreply.github.com>

Author: mesutoezdil

src/control-plane-services/function-autoscaler/crates/server/src/tracing_init.rs

@@ -142,6 +142,18 @@ fn endpoint_has_port(endpoint: &str) -> bool {
         .unwrap_or(false)
 }
 
+pub struct TracingGuard {
+    provider: SdkTracerProvider,
+}
+
+impl Drop for TracingGuard {
+    fn drop(&mut self) {
+        if let Err(e) = self.provider.shutdown() {
+            eprintln!("TracerProvider shutdown error: {:?}", e);
+        }
+    }
+}
+
 #[cfg(test)]
 mod tests {
     use super::*;
@@ -206,15 +218,3 @@ mod tests {
         assert_eq!(build_otlp_grpc_endpoint(&settings), "http://127.0.0.1:4317");
     }
 }
-
-pub struct TracingGuard {
-    provider: SdkTracerProvider,
-}
-
-impl Drop for TracingGuard {
-    fn drop(&mut self) {
-        if let Err(e) = self.provider.shutdown() {
-            eprintln!("TracerProvider shutdown error: {:?}", e);
-        }
-    }
-}