[ENSCORESW-844]. Test mapped coordinate names for ChainedAssemblyMapper.
[ENSCORESW-844]. Test mapped coordinate names for ChainedAssemblyMapper.

muffato/ensembl,Ensembl/ensembl,james-monkeyshines/ensembl,muffato/ensembl,james-monkeyshines/ensembl,Ensembl/ensembl,muffato/ensembl,Ensembl/ensembl,muffato/ensembl,james-monkeyshines/ensembl,james-monkeyshines/ensembl,Ensembl/ensembl