add test data for pyrat api with multiple responses

pyrat-api-multiple-responses.csv

@@ -0,0 +1,6 @@
+ID,Species,Sacrifice reason,DOB,Line / Strain (Name),Mutation 1,Grade 1,Mutation 2,Grade 2,Mother,Father,Mother: Mutation 1,Mother: Grade 1,Mother: Mutation 2,Mother: Grade 2,Father: Mutation 1,Father: Grade 1, Father: Mutation 2, Father: Grade 2
+ID-001,Mouse,Not usable age,2026-02-03,Line-A,Mut-A,het,,,ID-101,ID-100,Mut-A,het,,,Mut-A,wt,,
+ID-002,Mouse,Not usable age,2026-02-04,Line-A,Mut-A,hom,,,ID-101,ID-100,Mut-A,het,,,Mut-A,wt,,
+ID-003,Mouse,Not usable age,2026-02-05,Line-AB,Mut-A,het,Mut-B,hom,ID-103,ID-102,Mut-A,het,Mut-B,wt,Mut-A,wt,Mut-B,hom
+ID-004,Mouse,Not usable age,2026-02-06,Line-AB,Mut-A,het,Mut-B,het,ID-105,ID-104,Mut-A,het,,,Mut-B,hom,,
+ID-004,Mouse,Not usable age,2026-02-07,Line-AB,Mut-A,het,Mut-B,het,ID-107,ID-106,Mut-A,het,Mut-B,wt,,,,