diff --git a/test/data/metadata_small.csv b/test/data/metadata_small.csv
index 9236dae3..d442142a 100644
--- a/test/data/metadata_small.csv
+++ b/test/data/metadata_small.csv
@@ -1,6 +1,6 @@
-sample,fastq_1,fastq_2,reference,reference_id,lab_id,lab_name,date_isolated,date_received,year,host,cv_key,nusery,breeder,breeder_long,br_key,notes
-22-311,test/data/reads_small/22-311_R1.fastq.gz,test/data/reads_small/22-311_R2.fastq.gz,test/data/refs/reference-22-331.fna,22_331_assembly,MD-31,"Margery Daughtrey, Cornell",3/4/22,4/6/22,2022,P. x hortorum,CV-9,NY,Dummen,Dummen,Br-1,NA
-22-324,test/data/reads_small/22-324_R1.fastq.gz,test/data/reads_small/22-324_R2.fastq.gz,test/data/refs/reference-22-331.fna,22_331_assembly,MD 5-1-7,"Margery Daughtrey, Cornell",1987,4/19/22,1987,P. x hortorum,NA,NA,NA,NA,NA,NA
-22-335,test/data/reads_small/22-335_R1.fastq.gz,test/data/reads_small/22-335_R2.fastq.gz,test/data/refs/reference-22-331.fna,22_331_assembly,22-00157,"John Bonkowski, Purdue",3/21/22,4/25/22,2022,Pelargonium x,CV-24,IN,Syngenta,Syngenta Calliope,Br-2,NA
-pram1,test/data/reads_small/lane6-s013-indexRPI27-ATTCCT-7612-C7_S13_L006_R1_001.fastq.gz,test/data/reads_small/lane6-s013-indexRPI27-ATTCCT-7612-C7_S13_L006_R2_001.fastq.gz,test/data/refs/PR-102_v3.1.fasta.gz,PR-102_v3.1,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA
-pram2,test/data/reads_small/lane6-s008-indexRPI16-CCGTCC-7612-D1_S8_L006_R1_001.fastq.gz,test/data/reads_small/lane6-s008-indexRPI16-CCGTCC-7612-D1_S8_L006_R2_001.fastq.gz,test/data/refs/PR-102_v3.1.fasta.gz,PR-102_v3.1,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA
+sample,fastq_1,fastq_2,reference,reference_id,report_group,lab_id,lab_name,date_isolated,date_received,year,host,cv_key,nusery,breeder,breeder_long,br_key,notes
+22-311,test/data/reads_small/22-311_R1.fastq.gz,test/data/reads_small/22-311_R2.fastq.gz,test/data/refs/reference-22-331.fna,22_331_assembly,xan_test,MD-31,"Margery Daughtrey, Cornell",3/4/22,4/6/22,2022,P. x hortorum,CV-9,NY,Dummen,Dummen,Br-1,NA
+22-324,test/data/reads_small/22-324_R1.fastq.gz,test/data/reads_small/22-324_R2.fastq.gz,,,xan_test;subgroup,MD 5-1-7,"Margery Daughtrey, Cornell",1987,4/19/22,1987,P. x hortorum,NA,NA,NA,NA,NA,NA
+22-335,test/data/reads_small/22-335_R1.fastq.gz,test/data/reads_small/22-335_R2.fastq.gz,,,xan_test;subgroup,22-00157,"John Bonkowski, Purdue",3/21/22,4/25/22,2022,Pelargonium x,CV-24,IN,Syngenta,Syngenta Calliope,Br-2,NA
+pram1,test/data/reads_small/lane6-s013-indexRPI27-ATTCCT-7612-C7_S13_L006_R1_001.fastq.gz,test/data/reads_small/lane6-s013-indexRPI27-ATTCCT-7612-C7_S13_L006_R2_001.fastq.gz,test/data/refs/PR-102_v3.1.fasta.gz,PR-102_v3.1,pram_test,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA
+pram2,test/data/reads_small/lane6-s008-indexRPI16-CCGTCC-7612-D1_S8_L006_R1_001.fastq.gz,test/data/reads_small/lane6-s008-indexRPI16-CCGTCC-7612-D1_S8_L006_R2_001.fastq.gz,test/data/refs/PR-102_v3.1.fasta.gz,PR-102_v3.1,pram_test,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA