Fix Empty Documents Field Type with Robust Check

src/ndi/+ndi/+cloud/+api/+implementation/+documents/ListDatasetDocuments.m

@@ -50,6 +50,9 @@
             if (apiResponse.StatusCode == 200)
                 b = true;
                 answer = apiResponse.Body.Data;
+                if isfield(answer, 'documents') && isempty(answer.documents) && ~iscell(answer.documents)
+                    answer.documents = {};
+                end
             else
                 if isprop(apiResponse.Body, 'Data')
                     answer = apiResponse.Body.Data;

src/ndi/+ndi/+cloud/+api/+implementation/+documents/ListDatasetDocumentsAll.m

@@ -79,6 +79,9 @@
                     break; % Exit the main page loop
                 end
             end
+            if isfield(answer, 'documents') && isempty(answer.documents) && ~iscell(answer.documents)
+                answer.documents = {};
+            end
         end
     end
 end

tests/+ndi/+unittest/+cloud/DocumentsTest.m

@@ -304,7 +304,7 @@ function testBulkUploadAndDownload(testCase)
                 narrative(end+1) = "Bulk upload API call failed with an error: " + ME.message;
             end
 
-            msg_upload = "Bulk upload verification failed. Report: " + jsonencode(report_upload);
+            msg_upload = ndi.unittest.cloud.APIMessage(narrative, b_upload, report_upload, [], []);
             testCase.verifyTrue(b_upload, msg_upload);
             narrative(end+1) = "Bulk upload successful.";