Just test CI

.travis.yml

@@ -2,4 +2,4 @@ language: node_js
 node_js:
   - 12
 script:
-  - npm test
+  - npm run ci

Exercises/1-callback.js

@@ -1,5 +1,5 @@
 'use strict';
 
-const iterate = (obj, callback) => null;
+const iterate = (obj, callback) => 0;
 
 module.exports = { iterate };

Exercises/1-callback.test

@@ -1,23 +1,6 @@
 ({
   name: 'iterate',
-  length: [120, 180],
+  length: [1, 100],
   test: iterate => {
-    {
-      const obj = { a: 1, b: 2, c: 3 };
-      const obj2 = {};
-      iterate(obj, (key, value, object) => {
-        obj2[key] = value;
-        if (object !== obj) {
-          const msg = `Expected iterating object as a 3rd argument of callback`;
-          throw new Error(msg);
-        }
-      });
-      const initial = JSON.stringify(obj);
-      const cloned = JSON.stringify(obj2);
-      if (initial !== cloned) {
-        const msg = `Result ${cloned} instead of expected ${initial}`;
-        throw new Error(msg);
-      }
-    }
   }
 })

package.json

@@ -5,7 +5,8 @@
   "author": "Timur Shemsedinov <timur.shemsedinov@gmail.com>",
   "license": "MIT",
   "scripts": {
-    "test": "eslint ./Exercises; hpw"
+    "test": "eslint ./Exercises; hpw",
+    "ci": "eslint ./Exercises && hpw"
   },
   "dependencies": {
     "eslint": "^6.6.0",