@Test
public void writePair_ends_with_value_string() {
ID key = new ID("??");
Rating value = new Rating(random());
assertTrue(testObject.writePair(key, value).endsWith(value.toString()));
}
@Test
public void writePair_starts_with_key_string() {
ID key = new ID(random());
Rating value = new Rating("??");
assertTrue(testObject.writePair(key, value).startsWith(key.toString()));
}
