message: Fix gas comments
diff: @@ -329,8 +329,8 @@ fn execute_argon2() {
  )
  .unwrap();
  let gas_used = gas_before - deps.get_gas_left();
  - // Note: the exact gas usage depends on the Rust version used to compile WASM,
  - // which we only fix when using cosmwasm-opt, not integration tests.
  + // Note: the exact gas usage depends on the Rust version used to compile Wasm,
  + // which we only fix when using rust-optimizer, not integration tests.
  let expected = 157407464; // +/- 20%
  assert!(gas_used > expected * 80 / 100, "Gas used: {}", gas_used);
  assert!(gas_used < expected * 120 / 100, "Gas used: {}", gas_used);
  @@ -433,8 +433,8 @@ fn execute_allocate_large_memory() {
  );
  let gas_used = gas_before - deps.get_gas_left();
  // Gas consumption is relatively small
  - // Note: the exact gas usage depends on the Rust version used to compile WASM,
  - // which we only fix when using cosmwasm-opt, not integration tests.
  + // Note: the exact gas usage depends on the Rust version used to compile Wasm,
  + // which we only fix when using rust-optimizer, not integration tests.
  let expected = 27880; // +/- 20%
  assert!(gas_used > expected * 80 / 100, "Gas used: {}", gas_used);
  assert!(gas_used < expected * 120 / 100, "Gas used: {}", gas_used);
  @@ -454,8 +454,8 @@ fn execute_allocate_large_memory() {
  assert_eq!(result.unwrap_err(), "Generic error: memory.grow failed");
  let gas_used = gas_before - deps.get_gas_left();
  // Gas consumption is relatively small
  - // Note: the exact gas usage depends on the Rust version used to compile WASM,
  - // which we only fix when using cosmwasm-opt, not integration tests.
  + // Note: the exact gas usage depends on the Rust version used to compile Wasm,
  + // which we only fix when using rust-optimizer, not integration tests.
  let expected = 31076; // +/- 20%
  assert!(gas_used > expected * 80 / 100, "Gas used: {}", gas_used);
  assert!(gas_used < expected * 120 / 100, "Gas used: {}", gas_used);
  