refactor: fix redundant whitespace

Author: Alex Klymenko

src/test/java/com/thealgorithms/datastructures/dynamicarray/DynamicArrayTest.java

@@ -27,7 +27,6 @@ public void testGetElement() {
         assertEquals("Bob", array.get(1));
     }
 
-
     @Test
     public void testGetInvalidIndex() {
         assertThrows(IndexOutOfBoundsException.class, () -> array.get(-1));
@@ -86,7 +85,6 @@ public void testPutAndDynamicCapacity() {
         assertEquals(3, array.getSize()); // Size should be 3 due to index 2
     }
 
-
     @Test
     public void testRemoveElement() {
         array.add("Alice");