feat: porting over test_hgvs_variantmapper_gcp (#21)

[codecov[bot]]

Codecov Report

Patch coverage: 83.67% and project coverage change: +2.20 :tada:

Comparison is base (6873324) 83.79% compared to head (41a5de5) 86.00%.

:exclamation: Current head 41a5de5 differs from pull request most recent head 8ceea1e. Consider uploading reports for the commit 8ceea1e to get more accurate results

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #27 +/- ## ========================================== + Coverage 83.79% 86.00% +2.20% ========================================== Files 17 17 Lines 6116 6195 +79 ========================================== + Hits 5125 5328 +203 + Misses 991 867 -124 ``` | [Impacted Files](https://codecov.io/gh/bihealth/hgvs-rs/pull/27?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=bihealth) | Coverage Δ | | |---|---|---| | [src/data/interface.rs](https://codecov.io/gh/bihealth/hgvs-rs/pull/27?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=bihealth#diff-c3JjL2RhdGEvaW50ZXJmYWNlLnJz) | `100.00% <ø> (ø)` | | | [src/mapper/altseq.rs](https://codecov.io/gh/bihealth/hgvs-rs/pull/27?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=bihealth#diff-c3JjL21hcHBlci9hbHRzZXEucnM=) | `90.43% <ø> (ø)` | | | [src/normalizer.rs](https://codecov.io/gh/bihealth/hgvs-rs/pull/27?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=bihealth#diff-c3JjL25vcm1hbGl6ZXIucnM=) | `70.66% <50.00%> (+2.80%)` | :arrow_up: | | [src/parser/ds.rs](https://codecov.io/gh/bihealth/hgvs-rs/pull/27?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=bihealth#diff-c3JjL3BhcnNlci9kcy5ycw==) | `63.87% <59.64%> (+1.09%)` | :arrow_up: | | [src/parser/display.rs](https://codecov.io/gh/bihealth/hgvs-rs/pull/27?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=bihealth#diff-c3JjL3BhcnNlci9kaXNwbGF5LnJz) | `84.10% <81.08%> (-0.55%)` | :arrow_down: | | [src/data/uta.rs](https://codecov.io/gh/bihealth/hgvs-rs/pull/27?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=bihealth#diff-c3JjL2RhdGEvdXRhLnJz) | `91.97% <87.67%> (-1.39%)` | :arrow_down: | | [src/mapper/variant.rs](https://codecov.io/gh/bihealth/hgvs-rs/pull/27?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=bihealth#diff-c3JjL21hcHBlci92YXJpYW50LnJz) | `83.12% <92.38%> (+11.73%)` | :arrow_up: | | [src/mapper/alignment.rs](https://codecov.io/gh/bihealth/hgvs-rs/pull/27?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=bihealth#diff-c3JjL21hcHBlci9hbGlnbm1lbnQucnM=) | `91.27% <100.00%> (+0.18%)` | :arrow_up: | | [src/parser/impl\_parse.rs](https://codecov.io/gh/bihealth/hgvs-rs/pull/27?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=bihealth#diff-c3JjL3BhcnNlci9pbXBsX3BhcnNlLnJz) | `100.00% <100.00%> (+0.71%)` | :arrow_up: | | ... and [5 more](https://codecov.io/gh/bihealth/hgvs-rs/pull/27?src=pr&el=tree-more&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=bihealth) | | Help us with your feedback. Take ten seconds to tell us [how you rate us](https://about.codecov.io/nps?utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=bihealth). Have a feature suggestion? [Share it here.](https://app.codecov.io/gh/feedback/?utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=bihealth)

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