Add test cases where the ALT and REF differ

The actual genotypes are the same between gatk.vcf and
gatk_ref_alt_changed.vcf, but the REF, ALT and corresponding genotype
calls differ. This is to test if the conversion of genotype call
(e.g. 1/3) to the actual genotype (e.g. A/T) is working as intended.
1 job for testing in 21 seconds (queued for 1 second)
Status Job ID Name Coverage
  Test
failed #4233
docker
build

00:00:21

 
Name Stage Failure
failed
build Test
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