Add assertions to a couple of @koans that don't have them yet.

Author: DavidWhitlock

koans/src/advanced/AboutMocks.java

@@ -2,6 +2,7 @@
 
 import com.sandwich.koan.Koan;
 
+import static com.sandwich.util.Assert.assertTrue;
 import static com.sandwich.util.Assert.fail;
 
 public class AboutMocks {
@@ -40,7 +41,7 @@ public void simpleAnonymousMock() {
         // HINT: pass a safe Collaborator implementation to constructor
         // new ClassUnderTest(new Collaborator(){... it should not be the
         // objective of this test to test that collaborator, so replace it
-        new ClassUnderTest().doSomething();
+        assertTrue(new ClassUnderTest().doSomething());
     }
 
 }

koans/src/beginner/AboutArrays.java

@@ -66,6 +66,7 @@ public void arrayIndexOutOfBounds() {
         int[] array = new int[]{1};
         @SuppressWarnings("unused")
         int meh = array[1]; // remember 0 based indexes, 1 is the 2nd element (which doesn't exist)
+        assertEquals(meh, __);
     }
 
     @Koan

koans/src/beginner/AboutExceptions.java

@@ -6,6 +6,7 @@
 
 import static com.sandwich.koan.constant.KoanConstants.__;
 import static com.sandwich.util.Assert.assertEquals;
+import static com.sandwich.util.Assert.assertTrue;
 
 public class AboutExceptions {
 
@@ -103,6 +104,7 @@ private void doUncheckedStuff() {
     public void catchUncheckedExceptions() {
         // What do you need to do to catch the unchecked exception?
         doUncheckedStuff();
+        assertTrue(true);
     }
 
     @SuppressWarnings("serial")