diff --git a/src/dcqc/tests/bioformats_info_test.py b/src/dcqc/tests/bioformats_info_test.py
index 40144f7..7099efa 100644
--- a/src/dcqc/tests/bioformats_info_test.py
+++ b/src/dcqc/tests/bioformats_info_test.py
@@ -4,7 +4,9 @@
 
 class BioFormatsInfoTest(ExternalBaseTest):
     tier = 2
-    pass_code = "0"
+    pass_code = 0
+    fail_code = 1
+    failure_reason_location = "std_err"
     target: SingleTarget
 
     def generate_process(self) -> Process:
diff --git a/src/dcqc/tests/libtiff_info_test.py b/src/dcqc/tests/libtiff_info_test.py
index c7d146d..4c9c782 100644
--- a/src/dcqc/tests/libtiff_info_test.py
+++ b/src/dcqc/tests/libtiff_info_test.py
@@ -4,7 +4,9 @@
 
 class LibTiffInfoTest(ExternalBaseTest):
     tier = 2
-    pass_code = "0"
+    pass_code = 0
+    fail_code = 1
+    failure_reason_location = "std_err"
     target: SingleTarget
 
     def generate_process(self) -> Process:
diff --git a/src/dcqc/tests/ome_xml_schema_test.py b/src/dcqc/tests/ome_xml_schema_test.py
index f8e246a..9df2a31 100644
--- a/src/dcqc/tests/ome_xml_schema_test.py
+++ b/src/dcqc/tests/ome_xml_schema_test.py
@@ -4,7 +4,9 @@
 
 class OmeXmlSchemaTest(ExternalBaseTest):
     tier = 2
-    pass_code = "0"
+    pass_code = 0
+    fail_code = 1
+    failure_reason_location = "std_out"
     target: SingleTarget
 
     def generate_process(self) -> Process:
diff --git a/src/dcqc/tests/tiff_date_time_test.py b/src/dcqc/tests/tiff_date_time_test.py
index dfeecd9..3cb077b 100644
--- a/src/dcqc/tests/tiff_date_time_test.py
+++ b/src/dcqc/tests/tiff_date_time_test.py
@@ -4,7 +4,9 @@
 
 class TiffDateTimeTest(ExternalBaseTest):
     tier = 4
-    pass_code = "1"
+    pass_code = 1
+    fail_code = 0
+    failure_reason_location = "std_out"
     target: SingleTarget
 
     def generate_process(self) -> Process:
diff --git a/src/dcqc/tests/tiff_tag_306_date_time_test.py b/src/dcqc/tests/tiff_tag_306_date_time_test.py
index 5ec5d67..a290244 100644
--- a/src/dcqc/tests/tiff_tag_306_date_time_test.py
+++ b/src/dcqc/tests/tiff_tag_306_date_time_test.py
@@ -4,7 +4,9 @@
 
 class TiffTag306DateTimeTest(ExternalBaseTest):
     tier = 4
-    pass_code = "1"
+    pass_code = 1
+    fail_code = 0
+    failure_reason_location = "std_out"
     target: SingleTarget
 
     def generate_process(self) -> Process:
diff --git a/tests/test_main.py b/tests/test_main.py
index 62e90fe..7e05082 100644
--- a/tests/test_main.py
+++ b/tests/test_main.py
@@ -69,6 +69,7 @@ def test_create_tests(get_data, get_output):
 
 def test_create_process(get_data, get_output):
     input_json = get_data("test.external.json")
+    print(input_json)
     output_path = get_output("create_process") / "process.json"
     output_path.unlink(missing_ok=True)