diff --git a/client/src/components/WorkflowInvocationState/WorkflowInvocationHeader.test.ts b/client/src/components/WorkflowInvocationState/WorkflowInvocationHeader.test.ts
index b0ff5d2b050d..a0d325455b81 100644
--- a/client/src/components/WorkflowInvocationState/WorkflowInvocationHeader.test.ts
+++ b/client/src/components/WorkflowInvocationState/WorkflowInvocationHeader.test.ts
@@ -1,5 +1,6 @@
 import { createTestingPinia } from "@pinia/testing";
 import { shallowMount } from "@vue/test-utils";
+import flushPromises from "flush-promises";
 import { getLocalVue } from "tests/jest/helpers";
 
 import sampleInvocation from "@/components/Workflow/test/json/invocation.json";
@@ -10,12 +11,16 @@ import WorkflowInvocationHeader from "./WorkflowInvocationHeader.vue";
 // Constants
 const WORKFLOW_OWNER = "test-user";
 const OTHER_USER = "other-user";
+const UNIMPORTABLE_WORKFLOW_ID = "invalid-workflow-id";
+const UNIMPORTABLE_WORKFLOW_INSTANCE_ID = "invalid-instance-id";
 const SAMPLE_WORKFLOW = {
     id: "workflow-id",
     name: "workflow-name",
     owner: WORKFLOW_OWNER,
     version: 1,
 };
+const IMPORT_ERROR_MESSAGE = "Failed to import workflow";
+
 const SELECTORS = {
     INVOKED_WORKFLOW_HEADING: "anonymous-stub[h1='true']",
     RETURN_TO_INVOCATIONS_LIST_BUTTON: "bbutton-stub[title='Return to Invocations List']",
@@ -23,27 +28,52 @@ const SELECTORS = {
     EDIT_WORKFLOW_BUTTON: `bbutton-stub[title='<b>Edit</b><br>${SAMPLE_WORKFLOW.name}']`,
     IMPORT_WORKFLOW_BUTTON: "anonymous-stub[title='Import this workflow']",
     RUN_WORKFLOW_BUTTON: `anonymous-stub[id='${SAMPLE_WORKFLOW.id}']`,
+    ALERT_MESSAGE: "balert-stub",
 };
 
-// Mock the workflow store to return the expected workflow data given the stored workflow ID
+// Mock the copyWorkflow function for importing a workflow
+jest.mock("components/Workflow/workflows.services", () => ({
+    copyWorkflow: jest.fn().mockImplementation((workflowId: string) => {
+        if (workflowId === UNIMPORTABLE_WORKFLOW_ID) {
+            throw new Error(IMPORT_ERROR_MESSAGE);
+        }
+        return SAMPLE_WORKFLOW;
+    }),
+}));
+
+// Mock the workflow store to return the sample workflow
 jest.mock("@/stores/workflowStore", () => {
     const originalModule = jest.requireActual("@/stores/workflowStore");
     return {
         ...originalModule,
         useWorkflowStore: () => ({
             ...originalModule.useWorkflowStore(),
-            getStoredWorkflowByInstanceId: jest.fn().mockImplementation(() => SAMPLE_WORKFLOW),
-            fetchWorkflowForInstanceId: jest.fn().mockImplementation(() => {}),
+            getStoredWorkflowByInstanceId: jest.fn().mockImplementation((instanceId: string) => {
+                if (instanceId === UNIMPORTABLE_WORKFLOW_INSTANCE_ID) {
+                    return { ...SAMPLE_WORKFLOW, id: UNIMPORTABLE_WORKFLOW_ID };
+                }
+                return SAMPLE_WORKFLOW;
+            }),
         }),
     };
 });
 
 const localVue = getLocalVue();
 
-async function mountWorkflowRunButton(ownsWorkflow = true, hasReturnBtn = false) {
+/**
+ * Mounts the WorkflowInvocationHeader component with props/stores adjusted given the parameters
+ * @param ownsWorkflow Whether the user owns the workflow associated with the invocation
+ * @param hasReturnBtn Whether the component should have a return to invocations list button
+ * @param unimportableWorkflow Whether the workflow import should fail
+ * @returns The wrapper object
+ */
+async function mountWorkflowRunButton(ownsWorkflow = true, hasReturnBtn = false, unimportableWorkflow = false) {
     const wrapper = shallowMount(WorkflowInvocationHeader as object, {
         propsData: {
-            invocation: sampleInvocation,
+            invocation: {
+                ...sampleInvocation,
+                workflow_id: !unimportableWorkflow ? sampleInvocation.workflow_id : UNIMPORTABLE_WORKFLOW_INSTANCE_ID,
+            },
             fromPanel: !hasReturnBtn,
         },
         localVue,
@@ -53,7 +83,7 @@ async function mountWorkflowRunButton(ownsWorkflow = true, hasReturnBtn = false)
     const userStore = useUserStore();
     userStore.currentUser = {
         id: "1",
-        email: "",
+        email: "test@mail.test",
         tags_used: [],
         isAnonymous: false,
         total_disk_usage: 0,
@@ -99,25 +129,32 @@ describe("WorkflowInvocationHeader renders", () => {
     });
 });
 
-// describe("Importing a workflow in WorkflowInvocationHeader", () => {
-//     it("should show a confirmation dialog when the import is successful", async () => {
-//         const { wrapper } = await mountWorkflowRunButton(false);
-//         const actionsGroup = wrapper.find(SELECTORS.ACTIONS_BUTTON_GROUP);
-//         const importButton = actionsGroup.find(SELECTORS.IMPORT_WORKFLOW_BUTTON);
-//         // await importButton.trigger("click");
-//         // await flushPromises();
-
-//         // Clicking doesn't work because the button is an anonymous-stub which has a child button
-//         // So we need to call the function the action="[Function]" event which is the attributes("action") of the anonymous-stub
-//         const action = importButton.attributes("action");
-//         // await (action as any)();
-//         // await flushPromises();
-//         // logging action just gives [Function], print the actual function
-//         if (typeof action === "string") {
-//             console.log(action.toString());
-//         } else {
-//             console.log("Action is not a string");
-//         }
-//         console.log(wrapper.html());
-//     });
-// });
+describe("Importing a workflow in WorkflowInvocationHeader", () => {
+    it("should show a confirmation dialog when the import is successful", async () => {
+        const { wrapper } = await mountWorkflowRunButton(false);
+        const actionsGroup = wrapper.find(SELECTORS.ACTIONS_BUTTON_GROUP);
+        const importButton = actionsGroup.find(SELECTORS.IMPORT_WORKFLOW_BUTTON);
+
+        // Cannot `.trigger("click")` on `AsyncButton` because it is a stubbed custom component
+        await importButton.props().action();
+        await flushPromises();
+
+        const alert = wrapper.find(SELECTORS.ALERT_MESSAGE);
+        expect(alert.attributes("variant")).toBe("info");
+        expect(alert.text()).toContain(`Workflow ${SAMPLE_WORKFLOW.name} imported successfully`);
+    });
+
+    it("should show an error dialog when the import fails", async () => {
+        const { wrapper } = await mountWorkflowRunButton(false, false, true);
+        const actionsGroup = wrapper.find(SELECTORS.ACTIONS_BUTTON_GROUP);
+        const importButton = actionsGroup.find(SELECTORS.IMPORT_WORKFLOW_BUTTON);
+
+        // Cannot `.trigger("click")` on `AsyncButton` because it is a stubbed custom component
+        await importButton.props().action();
+        await flushPromises();
+
+        const alert = wrapper.find(SELECTORS.ALERT_MESSAGE);
+        expect(alert.attributes("variant")).toBe("danger");
+        expect(alert.text()).toContain(IMPORT_ERROR_MESSAGE);
+    });
+});