fixed links for testing in READMEs for challenges

Author: ManuelMeraz

challenge_1/README.md

@@ -8,7 +8,7 @@ Example: Given s = "hello", return "olleh".
 
 -	Try to make the solution as short and simple as possible in your respective language of choice.
 
-##[Testing](#https://github.com/YearOfProgramming/2017Challenges/tree/testing#testing)
+##[Testing](https://github.com/YearOfProgramming/2017Challenges/tree/testing#testing)
 
 Expected intput:
 

challenge_2/README.md

@@ -11,7 +11,7 @@ example: given array = [2,3,4,2,3,5,4,6,4,6,9,10,9,8,7,8,10,7] your program shou
 - attempt to search through the array with characters
 extra credit: given array = [2,a,l,3,l,4,k,2,3,4,a,6,c,4,m,6,m,k,9,10,9,8,7,8,10,7] your program should return: c
 
-[Testing](#https://github.com/YearOfProgramming/2017Challenges/tree/testing#testing)
+[Testing](https://github.com/YearOfProgramming/2017Challenges/tree/testing#testing)
 
 Expected input:
 

challenge_3/README.md

@@ -8,7 +8,7 @@
 
 for example, given array = [2,2,3,7,5,7,7,7,4,7,2,7,4,5,6,7,7,8,6,7,7,8,10,12,29,30,19,10,7,7,7,7,7,7,7,7,7] your program should return 7
 
-[Testing](#https://github.com/YearOfProgramming/2017Challenges/tree/testing#testing)
+[Testing](https://github.com/YearOfProgramming/2017Challenges/tree/testing#testing)
 
 Expected input:
 

challenge_4/README.md

@@ -14,6 +14,6 @@ after your program runs, it should return a tree that looks like this
 
 -	Your program should run on any size tree. What is the runtime and space of your algorithm? Do you think it's reasonable? These are important questions you should ask yourself when creating these types of solutions.
 
-[Testing](#https://github.com/YearOfProgramming/2017Challenges/tree/testing#testing)
+[Testing](https://github.com/YearOfProgramming/2017Challenges/tree/testing#testing)
 
 There is no automated testing for this challenge.

challenge_5/README.md

@@ -28,7 +28,7 @@ If you did all of that correctly, then you should be able to use my test.py file
 
 This is the first unit test I've written in python so go easy on the criticism ;) but it is still indeed welcome.
 
-[Testing](#https://github.com/YearOfProgramming/2017Challenges/tree/testing#testing)
+[Testing](https://github.com/YearOfProgramming/2017Challenges/tree/testing#testing)
 
 Expected input: