added jest dependencu

README.md

@@ -11,7 +11,7 @@ Respond to short response questions in clear, concise sentences directly within
 **3. What are the benefits of writing functions recursively? What are the drawbacks?**
 
 ### Coding Exercises
-Answer the following questions in `exercises.py` or `exercises.js`. Run unit test with the `pytest` command for Python, or `yarn test` for JS. Ensure all tests are passing before submitting this problem set.
+Answer the following questions in `exercises.py` or `exercises.js`. Run unit test with the `pytest` command for Python, or `npm test` for JS. Ensure all tests are passing before submitting this problem set.
 
 1. **_Reverse a String:_** This interview question requires you to reverse a string using recursion. Make sure to think of the base case here and make sure you use recursion to accomplish this! Do not slice (e.g. string[::-1]) or use iteration, there must be a recursive call for the function.
 

package.json

@@ -4,7 +4,7 @@
   "description": "## Directions Respond to short response questions in clear, concise sentences directly within this file. Use markdown to ensure that your answers are formatted correctly.",
   "main": "exercises.js",
   "scripts": {
-    "test": "echo \"Error: no test specified\" && exit 1"
+    "test": "jest"
   },
   "repository": {
     "type": "git",
@@ -16,7 +16,7 @@
     "url": "https://github.com/The-Marcy-Lab-School/problem-set-11_4/issues"
   },
   "homepage": "https://github.com/The-Marcy-Lab-School/problem-set-11_4#readme",
-  "scripts": {
-    "test": "jest"
+  "dependencies": {
+    "jest": "^26.6.3"
   }
 }