Improves file extension check in cleanup

Refactors the file extension check during test environment cleanup to use `is_some_and` for improved readability and conciseness.

This change makes the condition more explicit and easier to understand by directly checking if an extension exists and if it matches the expected value.

Author: entrepeneur4lyf

tests/integration_tests.rs

@@ -57,7 +57,7 @@ impl TestEnvironment {
         // Also clean up any leftover config files
         if let Ok(entries) = fs::read_dir(&self.config_dir) {
             for entry in entries.flatten() {
-                if entry.path().extension().map_or(false, |ext| ext == "json") {
+                if entry.path().extension().is_some_and(|ext| ext == "json") {
                     let _ = fs::remove_file(entry.path());
                 }
             }
@@ -66,7 +66,7 @@ impl TestEnvironment {
         // Clean up any leftover PID files
         if let Ok(entries) = fs::read_dir(&self.config_dir) {
             for entry in entries.flatten() {
-                if entry.path().extension().map_or(false, |ext| ext == "pid") {
+                if entry.path().extension().is_some_and(|ext| ext == "pid") {
                     let _ = fs::remove_file(entry.path());
                 }
             }