tests: update tests

algo/tests/should-get-tests/chimera-fake-VJ-germlines.should-get

-!LAUNCH: $VIDJIL_DIR/vidjil $VIDJIL_DEFAULT_OPTIONS -A -g $VIDJIL_DIR/data/chimera-fake-VJ.germlines -i $VIDJIL_DIR/data/chimera-fake-VJ.fa
+!LAUNCH: $VIDJIL_DIR/vidjil $VIDJIL_DEFAULT_OPTIONS -A -g $VIDJIL_DIR/data/chimera-fake-VJ.g -i $VIDJIL_DIR/data/chimera-fake-VJ.fa
 # Testing a custom (fake) germlines.data
 
 $ Report the species

algo/tests/should-get-tests/several-g.should-get

-!LAUNCH: $VIDJIL_DIR/vidjil $VIDJIL_DEFAULT_OPTIONS -g $VIDJIL_DIR/germline -g $VIDJIL_DIR/germline/isotypes.germlines -i $VIDJIL_DIR/data/isotypes.fa
+!LAUNCH: $VIDJIL_DIR/vidjil $VIDJIL_DEFAULT_OPTIONS -g $VIDJIL_DIR/germline -g $VIDJIL_DIR/germline/isotypes.g -i $VIDJIL_DIR/data/isotypes.fa
 
 $ Report the correct species
 1: Homo sapiens .9606.

algo/tests/should-get-tests/vidjil-error-incorrect-germlines.should-get

 !LAUNCH: $VIDJIL_DIR/vidjil $VIDJIL_DEFAULT_OPTIONS -g $VIDJIL_DIR/germline/Makefile 2>&1
 !EXIT_CODE: 1
 
-$ Error, incorrect *.germlines
-1:error.* cannot properly read .*germline
+$ Error, incorrect *.g
+1:error.* cannot properly read