test data: round volumes in subjects/all-hippocampal-volumes.csv to match precision in other csv files

tests/subjects/all-hippocampal-volumes.csv

@@ -11,16 +11,16 @@ ashs,alice,left,,CA2+3,124.459,,
 ashs,alice,left,,DG,902.237,,
 ashs,alice,left,,ERC,789.012,,
 ashs,alice,left,,PHC,2346.879,,
-ashs,alice,left,,PRC,2346.6710000000007,,
+ashs,alice,left,,PRC,2346.671,,
 ashs,alice,left,,SUB,458.782,,
-ashs,bert,left,nogray,CA1,678.9010000000002,,
+ashs,bert,left,nogray,CA1,678.901,,
 ashs,bert,left,nogray,CA2+3,123.456,,
 ashs,bert,left,nogray,DG,901.234,,
-ashs,bert,left,nogray,ERC,789.0120000000002,,
+ashs,bert,left,nogray,ERC,789.012,,
 ashs,bert,left,nogray,PHC,2345.876,,
 ashs,bert,left,nogray,PRC,2345.678,,
 ashs,bert,left,nogray,SUB,457.789,,
-ashs,bert,left,usegray,CA1,678.9019999999998,,
+ashs,bert,left,usegray,CA1,678.902,,
 ashs,bert,left,usegray,CA2+3,123.457,,
 ashs,bert,left,usegray,DG,901.235,,
 ashs,bert,left,usegray,ERC,789.013,,
@@ -36,33 +36,33 @@ ashs,bert,right,nogray,PRC,2345.67,,
 ashs,bert,right,nogray,SUB,457.781,,
 freesurfer-hipposf,alice,left,,Hippocampal_tail,173.456789,True,
 freesurfer-hipposf,alice,left,,subiculum,734.567891,True,
-freesurfer-hipposf,alice,left,,CA1,34.567890999999996,True,
+freesurfer-hipposf,alice,left,,CA1,34.567891,True,
 freesurfer-hipposf,alice,left,,hippocampal-fissure,345.678917,True,
-freesurfer-hipposf,alice,left,,presubiculum,456.78917300000006,True,
+freesurfer-hipposf,alice,left,,presubiculum,456.789173,True,
 freesurfer-hipposf,alice,left,,parasubiculum,45.678917,True,
 freesurfer-hipposf,alice,left,,molecular_layer_HP,56.789173,True,
-freesurfer-hipposf,alice,left,,GC-ML-DG,567.8917339999999,True,
-freesurfer-hipposf,alice,left,,CA3,678.9173450000001,True,
+freesurfer-hipposf,alice,left,,GC-ML-DG,567.891734,True,
+freesurfer-hipposf,alice,left,,CA3,678.917345,True,
 freesurfer-hipposf,alice,left,,CA4,789.173456,True,
 freesurfer-hipposf,alice,left,,fimbria,89.173456,True,
 freesurfer-hipposf,alice,left,,HATA,91.734567,True,
 freesurfer-hipposf,alice,left,,Whole_hippocampus,1734.567899,True,
-freesurfer-hipposf,bert,left,,Hippocampal_tail,123.45678899999999,True,
+freesurfer-hipposf,bert,left,,Hippocampal_tail,123.456789,True,
 freesurfer-hipposf,bert,left,,subiculum,234.567891,True,
-freesurfer-hipposf,bert,left,,CA1,34.567890999999996,True,
+freesurfer-hipposf,bert,left,,CA1,34.567891,True,
 freesurfer-hipposf,bert,left,,hippocampal-fissure,345.678912,True,
 freesurfer-hipposf,bert,left,,presubiculum,456.789123,True,
 freesurfer-hipposf,bert,left,,parasubiculum,45.678912,True,
 freesurfer-hipposf,bert,left,,molecular_layer_HP,56.789123,True,
-freesurfer-hipposf,bert,left,,GC-ML-DG,567.8912339999999,True,
-freesurfer-hipposf,bert,left,,CA3,678.9123450000001,True,
-freesurfer-hipposf,bert,left,,CA4,789.1234559999999,True,
+freesurfer-hipposf,bert,left,,GC-ML-DG,567.891234,True,
+freesurfer-hipposf,bert,left,,CA3,678.912345,True,
+freesurfer-hipposf,bert,left,,CA4,789.123456,True,
 freesurfer-hipposf,bert,left,,fimbria,89.123456,True,
 freesurfer-hipposf,bert,left,,HATA,91.234567,True,
-freesurfer-hipposf,bert,left,,Whole_hippocampus,1234.5678990000001,True,
-freesurfer-hipposf,bert,left,,Hippocampal_tail,124.45678899999999,True,T2
+freesurfer-hipposf,bert,left,,Whole_hippocampus,1234.567899,True,
+freesurfer-hipposf,bert,left,,Hippocampal_tail,124.456789,True,T2
 freesurfer-hipposf,bert,left,,subiculum,244.567891,True,T2
-freesurfer-hipposf,bert,left,,CA1,44.567890999999996,True,T2
+freesurfer-hipposf,bert,left,,CA1,44.567891,True,T2
 freesurfer-hipposf,bert,left,,hippocampal-fissure,445.678912,True,T2
 freesurfer-hipposf,bert,left,,presubiculum,456.789124,True,T2
 freesurfer-hipposf,bert,left,,parasubiculum,45.678912,True,T2
@@ -70,6 +70,6 @@ freesurfer-hipposf,bert,left,,molecular_layer_HP,56.789124,True,T2
 freesurfer-hipposf,bert,left,,GC-ML-DG,567.891244,True,T2
 freesurfer-hipposf,bert,left,,CA3,678.912445,True,T2
 freesurfer-hipposf,bert,left,,CA4,789.124456,True,T2
-freesurfer-hipposf,bert,left,,fimbria,89.12445600000001,True,T2
+freesurfer-hipposf,bert,left,,fimbria,89.124456,True,T2
 freesurfer-hipposf,bert,left,,HATA,91.244567,True,T2
-freesurfer-hipposf,bert,left,,Whole_hippocampus,1244.5678990000001,True,T2
+freesurfer-hipposf,bert,left,,Whole_hippocampus,1244.567899,True,T2