Updates the TimerTest to give a clearer output.

Change-Id: I4d6685392e4e3cb21b8a24607904d0c888658855

wpilibj/wpilibJavaIntegrationTests/src/main/java/edu/wpi/first/wpilibj/TimerTest.java

@@ -7,13 +7,9 @@
 package edu.wpi.first.wpilibj;
 
 import static org.junit.Assert.assertEquals;
-import static org.junit.Assert.assertTrue;
 
 import java.util.logging.Logger;
 
-import org.junit.AfterClass;
-import org.junit.Before;
-import org.junit.BeforeClass;
 import org.junit.Test;
 
 import edu.wpi.first.wpilibj.test.AbstractComsSetup;
@@ -21,40 +17,27 @@ import edu.wpi.first.wpilibj.test.AbstractComsSetup;
 
 public class TimerTest extends AbstractComsSetup {
 	private static final Logger logger = Logger.getLogger(TimerTest.class.getName());
-	
-	private static final long TIMER_TOLARANCE = 5 * 1000;
+	private static final long TIMER_TOLERANCE = (long) (2.5 * 1000);
 	private static final long TIMER_RUNTIME = 5 * 1000000;
-	
+
+	@Override
 	protected Logger getClassLogger(){
 		return logger;
 	}
-	
-	@BeforeClass
-	public static void classSetup() {
-	}
-	
-	@Before
-	public void setUp() {
-		// Reset the fixture elements before every test
-		
-	}
 
-	@AfterClass
-	public static void tearDown() {
-		// Clean up the fixture after the test
-	}
-	
 	@Test
 	public void delayTest(){
+		//Given
 		long startTime = Utility.getFPGATime();
+
+		//When
 		Timer.delay(TIMER_RUNTIME/1000000);
 		long endTime = Utility.getFPGATime();
-		
 		long difference  = endTime - startTime;
-		
+
+		//Then
 		long offset = difference - TIMER_RUNTIME;
-		
-		assertEquals("Timer.delay ran " + offset + " seconds too long", 0,  Math.abs(offset), TIMER_TOLARANCE);
+		assertEquals("Timer.delay ran " + offset + " microseconds too long",  TIMER_RUNTIME, difference, TIMER_TOLERANCE);
 	}
 
 }