@Test
 @DataFrom("blankString_false")
 public void testMatches_False(String input) {
   StringBlankMatcher matcher = new StringBlankMatcher();
   try {
     MatcherAssert.assertThat(input, matcher);
   } catch (Error e) {
     String message = e.getMessage();
     want.string(message)
         .contains("expected is empty string,  but actual", StringMode.IgnoreSpace);
   }
 }
 @Test
 @DataFrom("blankString_true")
 public void testMatches_True(String input) {
   StringBlankMatcher matcher = new StringBlankMatcher();
   MatcherAssert.assertThat(input, matcher);
 }