diff --git a/tests/repo_correct/portal_objects/metaworkflows/A_gatk-HC-GT.yaml b/tests/repo_correct/portal_objects/metaworkflows/A_gatk-HC-GT.yaml
index e6830b2..1fc09d7 100644
--- a/tests/repo_correct/portal_objects/metaworkflows/A_gatk-HC-GT.yaml
+++ b/tests/repo_correct/portal_objects/metaworkflows/A_gatk-HC-GT.yaml
@@ -84,7 +84,8 @@ workflows:
         data_type:
           - Unaligned Reads
         higlass_file: True
-        variant_type: SNV
+        variant_type:
+          - SNV
     # gatk-GT config
     config:
       ebs_size: 3x
diff --git a/tests/test_yaml_file_reference.py b/tests/test_yaml_file_reference.py
index 2de420b..95e71c2 100644
--- a/tests/test_yaml_file_reference.py
+++ b/tests/test_yaml_file_reference.py
@@ -24,7 +24,7 @@ def test_file_reference():
                 "uuid": "1936f246-22e1-45dc-bb5c-9cfd55537fe7",
                 "data_category": ["Sequencing Reads"],
                 "data_type": ["Unaligned Reads"],
-                "variant_types": ["SNV"]
+                "variant_type": ["SNV"]
             },
             {
                 "aliases": ["cgap-core:FileReference-reference_genome_hg38"],
diff --git a/tests/test_yaml_metaworkflow.py b/tests/test_yaml_metaworkflow.py
index 8125dc2..1d599f3 100644
--- a/tests/test_yaml_metaworkflow.py
+++ b/tests/test_yaml_metaworkflow.py
@@ -89,7 +89,7 @@ def test_metaworkflow():
                 "GT_vcf": {
                   "description": "output from gatk-GT",
                   "higlass_file": True,
-                  "variant_type": "SNV",
+                  "variant_type": ["SNV"],
                   "data_category": ["Sequencing Reads"],
                   "data_type": ["Unaligned Reads"]
                 }