assertEquals(Boolean.TRUE, booleanConverter.convert("yes"));
assertEquals(Boolean.TRUE, booleanConverter.convert(" yes "));
assertEquals(Boolean.TRUE, booleanConverter.convert("YES"));
assertEquals(Boolean.TRUE, booleanConverter.convert("y"));
assertEquals(Boolean.TRUE, booleanConverter.convert("Y"));
assertEquals(Boolean.TRUE, booleanConverter.convert("on"));
assertEquals(Boolean.TRUE, booleanConverter.convert("ON"));
assertEquals(Boolean.TRUE, booleanConverter.convert("1"));
assertEquals(Boolean.FALSE, booleanConverter.convert("no"));
assertEquals(Boolean.FALSE, booleanConverter.convert(" no "));