Fix test issues

test/13.js

@@ -1,6 +1,6 @@
 const expect = require('chai').expect;
 let solution = require('../solutions/13').solution;
-    solution2 = require('../solutions/13').solution2;
+let solution2 = require('../solutions/13').solution2;
 describe('reverse String', () => {
   it('should return true if input string is a palindrome', () => {
     expect(solution("racecar")).to.equal(true);

test/31.js

@@ -20,19 +20,19 @@ describe('longest string in an array', () => {
   it('the longest string in [just] is just', () => {
     expect(solution(['just'])).eql('just');
   });
-  it.only('the longest string in [hi,hello,hola] is hello', () => {
+  it('the longest string in [hi,hello,hola] is hello', () => {
     expect(solution1(['hi','hello','hola'])).eql('hello');
   })
-  it.only('the longest string in [is, whether, approximately] is approximately', () => {
+  it('the longest string in [is, whether, approximately] is approximately', () => {
     expect(solution1(['is','whether','approximately'])).eql('approximately');
   })
-  it.only('the longest string in [wait,see,us] is wait', () => {
+  it('the longest string in [wait,see,us] is wait', () => {
     expect(solution1(['wait','see','us'])).eql('wait');
   })
-  it.only('the longest string in [shout,basic,lead] is shout', () => {
+  it('the longest string in [shout,basic,lead] is shout', () => {
     expect(solution1(['shout','basic','lead'])).eql('shout');
   })
-  it.only('the longest string in [just] is just', () => {
+  it('the longest string in [just] is just', () => {
     expect(solution1(['just'])).eql('just');
   })
 });

test/32.js

@@ -2,7 +2,7 @@ const expect = require('chai').expect;
 let solution = require('../solutions/32').solution;
 
 describe('Finding singleton in an array', () =>{
-  it.only('should return singleton in an array', () =>{
+  it('should return singleton in an array', () =>{
     expect(solution([1,2,3,3,1,4])).to.eql([2, 4]);
   });
 });