updated code

Signed-off-by: Pujal <[email protected]>

Author: pujal0909

packages/zowe-explorer/__tests__/__unit__/trees/dataset/ZoweDatasetNode.unit.test.ts

@@ -1912,13 +1912,13 @@ describe("ZoweDatasetNode Unit Tests - listMembersInRange()", () => {
     });
     it("returns an empty list, if listMembersInRange throws a 404 error", async () => {
         const pdsNode = new ZoweDatasetNode({
-            label: "PDS.NOT_FOUND",
+            label: "PDS.ERROR",
             collapsibleState: vscode.TreeItemCollapsibleState.Expanded,
             contextOverride: Constants.DS_PDS_CONTEXT,
         });
 
-        const notFoundError = new ImperativeError({
-            msg: "Dataset not cataloged",
+        const notFoundError = new imperative.ImperativeError({
+            msg: "Datasets not cataloged",
             errorCode: "404",
         });
 
@@ -1927,6 +1927,7 @@ describe("ZoweDatasetNode Unit Tests - listMembersInRange()", () => {
         });
 
         const result = await (pdsNode as any).listMembersInRange(undefined, 2);
-        expect(result).toEqual({ items: [] });
+        console.log("HELLO" + result.items);
+        expect(result).toStrictEqual({ items: [] });
     });
 });

packages/zowe-explorer/src/trees/dataset/ZoweDatasetNode.ts

@@ -834,8 +834,10 @@ export class ZoweDatasetNode extends ZoweTreeNode implements IZoweDatasetTreeNod
 
             await this.listMembers(responses, { attributes: true, start, maxLength: start ? limit + 1 : limit });
         } catch (err) {
-            if (err instanceof imperative.ImperativeError && Number(err.errorCode) === imperative.RestConstants.HTTP_STATUS_404) {
-                return { items: [] };
+            if (err.errorCode === "404") {
+                return {
+                    items: [],
+                };
             }
             const updated = await AuthUtils.errorHandling(err, {
                 apiType: ZoweExplorerApiType.Mvs,