Address comments

Author: minggangw

src/rcl_timer_bindings.cpp

@@ -206,7 +206,7 @@ Napi::Value CallTimerWithInfo(const Napi::CallbackInfo& info) {
                            rcl_get_error_string().str);
 
   Napi::Object timer_info = Napi::Object::New(env);
-  timer_info.Set("expectetCallTime",
+  timer_info.Set("expectedCallTime",
                  Napi::BigInt::New(env, call_info.expected_call_time));
   timer_info.Set("actualCallTime",
                  Napi::BigInt::New(env, call_info.actual_call_time));

test/test-timer.js

@@ -156,7 +156,7 @@ describe('rclnodejs Timer class testing', function () {
     it('timer.callTimerWithInfo', function (done) {
       const timer = node.createTimer(BigInt('100000000'), () => {});
       const info = timer.callTimerWithInfo();
-      assert.deepStrictEqual(typeof info.expectetCallTime, 'bigint');
+      assert.deepStrictEqual(typeof info.expectedCallTime, 'bigint');
       assert.deepStrictEqual(typeof info.actualCallTime, 'bigint');
       timer.cancel();
       done();