Lower fuel consumption threshold from 10% to 2%

crates/cli/tests/integration_test.rs

@@ -407,7 +407,7 @@ fn run_fn(r: &mut Runner, func: &str, stdin: &[u8]) -> (Vec<u8>, String, u64) {
 fn assert_fuel_consumed_within_threshold(target_fuel: u64, fuel_consumed: u64) {
     let target_fuel = target_fuel as f64;
     let fuel_consumed = fuel_consumed as f64;
-    let threshold = 10.0;
+    let threshold = 2.0;
     let percentage_difference = ((fuel_consumed - target_fuel) / target_fuel).abs() * 100.0;
 
     assert!(