Add junit to libs in week-1-assignment-0

Information:Using javac 1.7.0_55 to compile java sources
Information:java: Errors occurred while compiling module 'week-1-assignment-0'
Information:Module "week-1-assignment-0" was fully rebuilt due to project configuration/dependencies changes
Information:5 errors
Information:0 warnings
Information:Compilation completed with 5 errors and 0 warnings in 7 sec
~\IdeaProjects\POSA-14\assignments\week-1-assignment-0\test\SynchronizedQueueTest.java
Error:Error:line (1)java: package org.junit does not exist
Error:Error:line (1)java: static import only from classes and interfaces
Error:Error:line (5)java: package org.junit does not exist
Error:Error:line (12)java: cannot find symbol
symbol: class Test
location: class SynchronizedQueueTest
Error:Error:line (25)java: cannot find symbol
symbol: method fail(java.lang.String)
location: class SynchronizedQueueTest