@Test
void testWithString() {

    String columnName = "ColumnName";
    String toAdd = "TestString";
    TableLine tableLine = builder.withString(columnName, toAdd).build();
    TableLine expectedTableLine = new TableLine(ImmutableMap.of(
            columnName, toAdd),
            ImmutableSet.of(columnName));
    checkTableLinesAreTheSame(expectedTableLine, tableLine);
}