@Test
public void testSnpAndInsertionAtSamePositionInSourceFile(){

    //1 12345   A   TG   0.01  (an A->TG insertion on chr1 at position 12345 with frequency of 0.01%)
    Mockito.when(tabixReader.query("1:12345-12345"))
            .thenReturn(MockTabixIterator.of("1\t12345\tA\tT\t23.0", "1\t12345\tA\tTG\t0.01"));
    assertThat(instance.getFrequencyData(variant(1, 12345, "A", "TG")), equalTo(localFrequencyData(0.01f)));
}