fmt: apply rustfmt

Signed-off-by: Pietro <6842434+RomanSurface@users.noreply.github.com>

Author: RomanSurface

tests/integration_tests.rs

@@ -17,7 +17,6 @@ use std::thread;
 
 use libc::SYS_read;
 
-
 // The type of the `req` parameter is different for the `musl` library. This will enable
 // successful build for other non-musl libraries.
 #[cfg(target_env = "musl")]
@@ -795,10 +794,7 @@ fn test_filter_apply() {
 
 #[test]
 fn test_duplicate_syscall_keys_override_previous_rules() {
-    let rules = vec![
-        (SYS_read, 1),
-        (SYS_read, 2),
-    ];
+    let rules = vec![(SYS_read, 1), (SYS_read, 2)];
 
     let map: BTreeMap<_, _> = rules.into_iter().collect();