fix: assertTrue and assertFalse tests updated

Author: Simon Morgan

src/test/java/com/techreturners/cats/CatTest.java

@@ -8,22 +8,22 @@ public class CatTest {
     @Test
     public void checkCatIsAwake() {
         Cat domesticCat = new DomesticCat();
-        assertFalse("Cat should be awake by default", domesticCat.isAsleep());
+        assertFalse(domesticCat.isAsleep(), "Cat should be awake by default");
     }
 
     @Test
     public void checkCatCanGoToSleep() {
         Cat domesticCat = new DomesticCat();
         domesticCat.goToSleep();
-        assertTrue("Cat should be snoozing", domesticCat.isAsleep());
+        assertTrue(domesticCat.isAsleep(), "Cat should be snoozing");
     }
 
     @Test
     public void checkCatCanWakep() {
         Cat domesticCat = new DomesticCat();
         domesticCat.goToSleep();
         domesticCat.wakeUp();
-        assertFalse("Cat should be awake now", domesticCat.isAsleep());
+        assertFalse(domesticCat.isAsleep(), "Cat should be awake now");
     }
 
     @Test