static Set<String> convertToUpperCaseSet( String[] array ) {
    if ( array == null ) {
      return Collections.emptySet();
    }
    Set<String> strings = new HashSet<String>();
    for ( String currentString : array ) {
      strings.add( currentString.toUpperCase() );
    }
    return strings;
  }
@Test
  public void convertToUpperCaseSet() {
    String[] input = new String[] { "Test_Step", "test_step1" };
    Set<String> actualResult = MetaInject.convertToUpperCaseSet( input );
    Set<String> expectedResult = new HashSet<>();
    expectedResult.add( "TEST_STEP" );
    expectedResult.add( "TEST_STEP1" );
    assertEquals( expectedResult, actualResult );
  }