CS60 hw2pr8: Added a second test for MakePiTest.java
CS60 hw2pr8: Added a second test for MakePiTest.java

For some reason, the autograder will not parse the test output
correctly if there is only one test in the file. So, a second test
was added for this function to make sure that the autograder would
work as expected.

noellekimiko/HMC-Grader,CSGreater-Developers/HMC-Grader,noellekimiko/HMC-Grader,noellekimiko/HMC-Grader,CSGreater-Developers/HMC-Grader,CSGreater-Developers/HMC-Grader,noellekimiko/HMC-Grader,CSGreater-Developers/HMC-Grader,noellekimiko/HMC-Grader,CSGreater-Developers/HMC-Grader,noellekimiko/HMC-Grader