diff --git a/e2e/process-services-cloud/task-form-cloud-component.e2e.ts b/e2e/process-services-cloud/task-form-cloud-component.e2e.ts
index fcb5a6ea3e..c4700a727a 100644
--- a/e2e/process-services-cloud/task-form-cloud-component.e2e.ts
+++ b/e2e/process-services-cloud/task-form-cloud-component.e2e.ts
@@ -26,7 +26,7 @@ import {
     ProcessInstancesService,
     TaskHeaderCloudPage,
     TaskFormCloudComponent,
-    Widget, IdentityService, GroupIdentityService, QueryService
+    Widget, QueryService
 } from '@alfresco/adf-testing';
 import { NavigationBarPage } from '../pages/adf/navigationBarPage';
 import { TasksCloudDemoPage } from '../pages/adf/demo-shell/process-services/tasksCloudDemoPage';
@@ -44,27 +44,15 @@ describe('Task form cloud component', () => {
 
     let processDefinitionService: ProcessDefinitionsService;
     let processInstancesService: ProcessInstancesService;
-    let identityService: IdentityService;
 
-    let completedTask, createdTask, assigneeTask, toBeCompletedTask, formValidationsTask, testUser, formTaskId;
+    let completedTask, createdTask, assigneeTask, toBeCompletedTask, formValidationsTask, formTaskId, assigneeTaskId, assigneeReleaseTask;
     const candidateBaseApp = browser.params.resources.ACTIVITI_CLOUD_APPS.CANDIDATE_BASE_APP.name;
     const simpleApp = browser.params.resources.ACTIVITI_CLOUD_APPS.SIMPLE_APP.name;
     const completedTaskName = StringUtil.generateRandomString(), assignedTaskName = StringUtil.generateRandomString();
-    const apiService = new ApiService(browser.params.config.oauth2.clientId, browser.params.config.bpmHost, browser.params.config.oauth2.host, browser.params.config.providers);
     const apiServiceHrUser = new ApiService(browser.params.config.oauth2.clientId, browser.params.config.bpmHost, browser.params.config.oauth2.host, browser.params.config.providers);
 
     beforeAll(async () => {
-        await apiService.login(browser.params.identityAdmin.email, browser.params.identityAdmin.password);
-
-        identityService = new IdentityService(apiService);
-        const groupIdentityService = new GroupIdentityService(apiService);
-
-        testUser = await identityService.createIdentityUserWithRole(apiService, [identityService.ROLES.ACTIVITI_USER]);
-
-        const groupInfo = await groupIdentityService.getGroupInfoByGroupName('hr');
-        await identityService.addUserToGroup(testUser.idIdentityService, groupInfo.id);
-
-        await apiServiceHrUser.login(testUser.email, testUser.password);
+        await apiServiceHrUser.login(browser.params.testConfig.hrUser.email, browser.params.testConfig.hrUser.password);
         const tasksService = new TasksService(apiServiceHrUser);
         const queryService = new QueryService(apiServiceHrUser);
         createdTask = await tasksService.createStandaloneTask(StringUtil.generateRandomString(), candidateBaseApp);
@@ -104,7 +92,13 @@ describe('Task form cloud component', () => {
 
         formTaskId = formTasks.list.entries[0].entry.id;
 
-        await loginSSOPage.loginSSOIdentityService(testUser.email, testUser.password);
+        /* cspell: disable-next-line */
+        const assigneeProcessDefinition = await processDefinitionService.getProcessDefinitionByName(browser.params.resources.ACTIVITI_CLOUD_APPS.SIMPLE_APP.processes.calledprocess, simpleApp);
+        const assigneeProcess = await processInstancesService.createProcessInstance(assigneeProcessDefinition.entry.key, simpleApp);
+        assigneeReleaseTask = await queryService.getProcessInstanceTasks(assigneeProcess.entry.id, simpleApp);
+        assigneeTaskId = assigneeReleaseTask.list.entries[0].entry.id;
+
+        await loginSSOPage.loginSSOIdentityService(browser.params.testConfig.hrUser.email, browser.params.testConfig.hrUser.password);
 
     }, 5 * 60 * 1000);
 
@@ -114,11 +108,6 @@ describe('Task form cloud component', () => {
     });
 
     afterAll(async () => {
-        try {
-            await apiService.login(browser.params.identityAdmin.email, browser.params.identityAdmin.password);
-            await identityService.deleteIdentityUser(testUser.idIdentityService);
-        } catch (error) {
-        }
         await browser.executeScript('window.sessionStorage.clear();');
         await browser.executeScript('window.localStorage.clear();');
     });
@@ -159,6 +148,17 @@ describe('Task form cloud component', () => {
         await taskFormCloudComponent.checkCancelButtonIsDisplayed();
     });
 
+    it('[C306872] Should not be able to Release a process task which has only assignee', async () => {
+        await appListCloudComponent.goToApp(simpleApp);
+        await tasksCloudDemoPage.myTasksFilter().clickTaskFilter();
+        await tasksCloudDemoPage.taskListCloudComponent().checkContentIsDisplayedById(assigneeTaskId);
+        await tasksCloudDemoPage.taskListCloudComponent().selectRowByTaskId(assigneeTaskId);
+
+        await expect(await taskHeaderCloudPage.getAssignee()).toEqual(assigneeReleaseTask.list.entries[0].entry.assignee);
+        await expect(await taskHeaderCloudPage.getStatus()).toEqual('ASSIGNED');
+        await taskFormCloudComponent.checkReleaseButtonIsNotDisplayed();
+    });
+
     describe('Candidate Base App', () => {
 
         beforeEach(async () => {
diff --git a/e2e/resources/activiti7/candidatebaseapp.zip b/e2e/resources/activiti7/candidatebaseapp.zip
index 9ea044d767..e1e7935a58 100644
Binary files a/e2e/resources/activiti7/candidatebaseapp.zip and b/e2e/resources/activiti7/candidatebaseapp.zip differ
diff --git a/lib/testing/src/lib/process-services-cloud/resources/resources.ts b/lib/testing/src/lib/process-services-cloud/resources/resources.ts
index af52bdee92..339579df57 100644
--- a/lib/testing/src/lib/process-services-cloud/resources/resources.ts
+++ b/lib/testing/src/lib/process-services-cloud/resources/resources.ts
@@ -26,7 +26,8 @@ export const ACTIVITI_CLOUD_APPS: any = {
             anotherCandidateGroupProcess: 'anothercandidategroup',
             uploadFileProcess: 'uploadfileprocess',
             processwithstarteventform: 'processwithstarteventform',
-            processwithjsonfilemapping: 'processwithjsonfilemapping'
+            processwithjsonfilemapping: 'processwithjsonfilemapping',
+            assigneeProcess: 'assigneeprocess'
         },
         forms: {
             starteventform: 'starteventform',