@Test
public void testAddStringToArray() {

    String[] array1 = new String[] {"a1", "a2"};
    String stringToAdd = "b1";
    String[] combinedArray = ThemeBuilderUtils.addToArray(array1, stringToAdd);
    Assert.assertEquals("Combined array length is not correct", 3, combinedArray.length);
    Assert.assertEquals("a1", combinedArray[0]);
    Assert.assertEquals("a2", combinedArray[1]);
    Assert.assertEquals("b1", combinedArray[2]);
}