checkstyle: fix formatting

Author: Alex Klymenko

src/main/java/com/thealgorithms/datastructures/queues/Queue.java

@@ -151,4 +151,3 @@ public String toString() {
         return sb.toString();
     }
 }
-

src/test/java/com/thealgorithms/datastructures/queues/QueueTest.java

@@ -19,7 +19,7 @@ void testQueueInsertion() {
         Assertions.assertTrue(queue.insert(1));
         Assertions.assertTrue(queue.insert(2));
         Assertions.assertTrue(queue.insert(3));
-        Assertions.assertFalse(queue.insert(4));  // Queue is full
+        Assertions.assertFalse(queue.insert(4)); // Queue is full
 
         Assertions.assertEquals(1, queue.peekFront());
         Assertions.assertEquals(3, queue.peekRear());
@@ -43,7 +43,7 @@ void testQueueRemoval() {
         Assertions.assertEquals(3, queue.remove());
         Assertions.assertTrue(queue.isEmpty());
 
-        Assertions.assertThrows(IllegalStateException.class, queue::remove);  // Queue is empty
+        Assertions.assertThrows(IllegalStateException.class, queue::remove); // Queue is empty
     }
 
     @Test