diff --git a/.gitignore b/.gitignore
index ab19fbe..c7d2a30 100644
--- a/.gitignore
+++ b/.gitignore
@@ -349,4 +349,5 @@ MigrationBackup/
 # Ionide (cross platform F# VS Code tools) working folder
 .ionide/
 
-**/TestResults/**
\ No newline at end of file
+**/TestResults/**
+tests/ARCtrl.Querymodel.Tests/playground_2.fsx
diff --git a/tests/ARCtrl.Querymodel.Tests/TestObjects/TestArc/assays/MSEval_Cold/isa.assay.xlsx b/tests/ARCtrl.Querymodel.Tests/TestObjects/TestArc/assays/MSEval_Cold/isa.assay.xlsx
index d283113..4be47e0 100644
Binary files a/tests/ARCtrl.Querymodel.Tests/TestObjects/TestArc/assays/MSEval_Cold/isa.assay.xlsx and b/tests/ARCtrl.Querymodel.Tests/TestObjects/TestArc/assays/MSEval_Cold/isa.assay.xlsx differ
diff --git a/tests/ARCtrl.Querymodel.Tests/TestObjects/TestArc/assays/MSEval_Heat/isa.assay.xlsx b/tests/ARCtrl.Querymodel.Tests/TestObjects/TestArc/assays/MSEval_Heat/isa.assay.xlsx
index 47b0ee7..8e9fbe3 100644
Binary files a/tests/ARCtrl.Querymodel.Tests/TestObjects/TestArc/assays/MSEval_Heat/isa.assay.xlsx and b/tests/ARCtrl.Querymodel.Tests/TestObjects/TestArc/assays/MSEval_Heat/isa.assay.xlsx differ
diff --git a/tests/ARCtrl.Querymodel.Tests/TestObjects/TestArc/assays/MS_Cold/isa.assay.xlsx b/tests/ARCtrl.Querymodel.Tests/TestObjects/TestArc/assays/MS_Cold/isa.assay.xlsx
index 8351770..d6b3983 100644
Binary files a/tests/ARCtrl.Querymodel.Tests/TestObjects/TestArc/assays/MS_Cold/isa.assay.xlsx and b/tests/ARCtrl.Querymodel.Tests/TestObjects/TestArc/assays/MS_Cold/isa.assay.xlsx differ
diff --git a/tests/ARCtrl.Querymodel.Tests/TestObjects/TestArc/assays/MS_Heat/isa.assay.xlsx b/tests/ARCtrl.Querymodel.Tests/TestObjects/TestArc/assays/MS_Heat/isa.assay.xlsx
index a57c4d9..625000e 100644
Binary files a/tests/ARCtrl.Querymodel.Tests/TestObjects/TestArc/assays/MS_Heat/isa.assay.xlsx and b/tests/ARCtrl.Querymodel.Tests/TestObjects/TestArc/assays/MS_Heat/isa.assay.xlsx differ
diff --git a/tests/ARCtrl.Querymodel.Tests/TestObjects/TestArc/assays/SamplePreparation_Cold/isa.assay.xlsx b/tests/ARCtrl.Querymodel.Tests/TestObjects/TestArc/assays/SamplePreparation_Cold/isa.assay.xlsx
index fd03d63..d815857 100644
Binary files a/tests/ARCtrl.Querymodel.Tests/TestObjects/TestArc/assays/SamplePreparation_Cold/isa.assay.xlsx and b/tests/ARCtrl.Querymodel.Tests/TestObjects/TestArc/assays/SamplePreparation_Cold/isa.assay.xlsx differ
diff --git a/tests/ARCtrl.Querymodel.Tests/TestObjects/TestArc/assays/SamplePreparation_Heat/isa.assay.xlsx b/tests/ARCtrl.Querymodel.Tests/TestObjects/TestArc/assays/SamplePreparation_Heat/isa.assay.xlsx
index 95085e5..a146f8e 100644
Binary files a/tests/ARCtrl.Querymodel.Tests/TestObjects/TestArc/assays/SamplePreparation_Heat/isa.assay.xlsx and b/tests/ARCtrl.Querymodel.Tests/TestObjects/TestArc/assays/SamplePreparation_Heat/isa.assay.xlsx differ
diff --git a/tests/ARCtrl.Querymodel.Tests/TestObjects/TestArc/isa.investigation.xlsx b/tests/ARCtrl.Querymodel.Tests/TestObjects/TestArc/isa.investigation.xlsx
index 192143f..df2024d 100644
Binary files a/tests/ARCtrl.Querymodel.Tests/TestObjects/TestArc/isa.investigation.xlsx and b/tests/ARCtrl.Querymodel.Tests/TestObjects/TestArc/isa.investigation.xlsx differ
diff --git a/tests/ARCtrl.Querymodel.Tests/TestObjects/TestArc/studies/ChlamydomonasColdTimeCourse/isa.study.xlsx b/tests/ARCtrl.Querymodel.Tests/TestObjects/TestArc/studies/ChlamydomonasColdTimeCourse/isa.study.xlsx
index 3af4139..f1f8a20 100644
Binary files a/tests/ARCtrl.Querymodel.Tests/TestObjects/TestArc/studies/ChlamydomonasColdTimeCourse/isa.study.xlsx and b/tests/ARCtrl.Querymodel.Tests/TestObjects/TestArc/studies/ChlamydomonasColdTimeCourse/isa.study.xlsx differ
diff --git a/tests/ARCtrl.Querymodel.Tests/TestObjects/TestArc/studies/ChlamydomonasHeatTimeCourse/isa.study.xlsx b/tests/ARCtrl.Querymodel.Tests/TestObjects/TestArc/studies/ChlamydomonasHeatTimeCourse/isa.study.xlsx
index 281e0c8..e1f1210 100644
Binary files a/tests/ARCtrl.Querymodel.Tests/TestObjects/TestArc/studies/ChlamydomonasHeatTimeCourse/isa.study.xlsx and b/tests/ARCtrl.Querymodel.Tests/TestObjects/TestArc/studies/ChlamydomonasHeatTimeCourse/isa.study.xlsx differ
diff --git a/tests/ARCtrl.Querymodel.Tests/playground.fsx b/tests/ARCtrl.Querymodel.Tests/playground.fsx
index 577a0f7..01fd485 100644
--- a/tests/ARCtrl.Querymodel.Tests/playground.fsx
+++ b/tests/ARCtrl.Querymodel.Tests/playground.fsx
@@ -1,5 +1,7 @@
 #r "nuget: ARCtrl"
 #r @"bin\Release\net6.0\ARCtrl.NET.dll"
+#r @"bin\Release\net6.0\FSSpreadsheet.dll"
+#r @"bin\Release\net6.0\ARCtrl.Contract.dll"
 #r @"bin\Release\net6.0\ARCtrl.Querymodel.dll"
 #r @"bin\Release\net6.0\Fable.Core.dll"
 #r @"bin\Release\net6.0\OBO.NET.dll"