Added solution for repeatString

helloWorld/helloWorld.js

@@ -1,5 +1,5 @@
 const helloWorld = function() {
-  return ''
+  return 'Hello, World!'
 }
 
 module.exports = helloWorld

repeatString/repeatString.js

@@ -1,4 +1,15 @@
-const repeatString = function() {
+const repeatString = function(str,n) {
+   let ans = ''; 
+   
+   if(n<0)
+   return 'ERROR';
+   else
+   {
+    for(let i=0;i<n;i++)
+    ans+=str;
+
+    return ans;
+   }
   
 }
 

repeatString/repeatString.spec.js

@@ -4,19 +4,19 @@ describe('repeatString', function() {
   it('repeats the string', function() {
     expect(repeatString('hey', 3)).toEqual('heyheyhey');
   });
-  xit('repeats the string many times', function() {
+  it('repeats the string many times', function() {
     expect(repeatString('hey', 10)).toEqual('heyheyheyheyheyheyheyheyheyhey');
   });
-  xit('repeats the string 1 times', function() {
+  it('repeats the string 1 times', function() {
     expect(repeatString('hey', 1)).toEqual('hey');
   });
-  xit('repeats the string 0 times', function() {
+  it('repeats the string 0 times', function() {
     expect(repeatString('hey', 0)).toEqual('');
   });
-  xit('returns ERROR with negative numbers', function() {
+  it('returns ERROR with negative numbers', function() {
     expect(repeatString('hey', -1)).toEqual('ERROR');
   });
-  xit('repeats the string a random amount of times', function () {
+  it('repeats the string a random amount of times', function () {
     /*The number is generated by using Math.random to get a value from between
     0 to 1, when this is multiplied by 1000 and rounded down with Math.floor it 
     equals a number between 0 to 999 (this number will change everytime you run
@@ -27,7 +27,7 @@ describe('repeatString', function() {
     was randomaly generated. */
     expect(repeatString('hey', number).match(/((hey))/g).length).toEqual(number);
   });
-  xit('works with blank strings', function() {
+  it('works with blank strings', function() {
     expect(repeatString('', 10)).toEqual('');
   });
 });