diff --git a/src/app/applications/application-vo-actions/application-vo-actions.component.html b/src/app/applications/application-vo-actions/application-vo-actions.component.html
index 89c0700858..d4b11ec942 100644
--- a/src/app/applications/application-vo-actions/application-vo-actions.component.html
+++ b/src/app/applications/application-vo-actions/application-vo-actions.component.html
@@ -228,6 +228,7 @@
 							[attr.data-test-id]="'modification_approval_' + application?.project_application_name"
 							(click)="showConfirmationModal(ConfirmationActions.APPROVE_MODIFICATION)"
 							type="button"
+							tooltip="Approve Modification"
 							class="btn btn-success"
 						>
 							<i class="fa fa-check"></i>&nbsp;
@@ -246,6 +247,7 @@
 							[attr.data-test-id]="'modification_approval_' + application?.project_application_name"
 							(click)="showClientsLimitsModal(true)"
 							type="button"
+							tooltip="Approve Modification"
 							class="btn btn-success"
 						>
 							<i class="fa fa-check"></i>&nbsp;
@@ -262,6 +264,7 @@
 							[attr.data-test-id]="'modification_adjustment_' + application?.project_application_shortname"
 							style="margin: 2px"
 							type="button"
+							tooltip="Adjust Modification"
 							(click)="showModificationAdjustmentModal()"
 							class="btn btn-primary"
 						>
@@ -276,6 +279,7 @@
 						<button
 							type="button"
 							class="btn btn-danger"
+							tooltip="Decline Modification"
 							style="margin: 2px"
 							(click)="showConfirmationModal(ConfirmationActions.DECLINE_MODIFICATION)"
 						>
diff --git a/src/app/projectmanagement/modals/modification-request/modification-request.component.html b/src/app/projectmanagement/modals/modification-request/modification-request.component.html
index c37430e452..5551ec8d73 100644
--- a/src/app/projectmanagement/modals/modification-request/modification-request.component.html
+++ b/src/app/projectmanagement/modals/modification-request/modification-request.component.html
@@ -639,6 +639,7 @@ <h6 class="col-md-8 form-control-label">
 					type="text"
 					id="id_project_application_renewal_manager_comment"
 					name="project_application_renewal_manager_comment"
+					data-test-id="vo_manager_comment_input"
 					class="form-control"
 					maxlength="8192"
 					placeholder=""
@@ -724,7 +725,7 @@ <h6 class="col-md-8 form-control-label">
 			class="btn btn-primary"
 			form="resource_modification_application_form"
 			id="submit_adjustment_btn"
-			data-test-id="submit_modification_request_button"
+			data-test-id="submit_modification_adjustment_button"
 			(click)="bsModalRef.hide(); showSubmitModal(true)"
 			[disabled]="modificationForm.invalid || !min_vm_adjusted"
 		>
diff --git a/tests/openstack_application.spec.ts b/tests/openstack_application.spec.ts
index 6a4e952683..7fd3c482fc 100644
--- a/tests/openstack_application.spec.ts
+++ b/tests/openstack_application.spec.ts
@@ -101,6 +101,14 @@ test.describe.serial('@openstack_application', () => {
 			await projectOverviewPage.goToProjectOverview(Util.OPENSTACK_APPLICATION_NAME);
 			await projectOverviewPage.requestProjectModification(false);
 		});
+
+		test.describe('Should ajdust a project modification for OpenStack', () => {
+			test.use({ storageState: Util.VO_MANAGER_STORAGE });
+			test('VO @openstack_application', async ({ page, baseURL }) => {
+				const applicationPage = new ApplicationOverviewPage(page, baseURL);
+				await applicationPage.adjustOpenStackModificationRequest(Util.OPENSTACK_APPLICATION_NAME);
+			});
+		});
 	});
 	test.describe('Should approve a project extension for OpenStack', () => {
 		test.use({ storageState: Util.VO_MANAGER_STORAGE });
diff --git a/tests/page_objects/application_overview.po.ts b/tests/page_objects/application_overview.po.ts
index 1d8bac4900..dc01af8d96 100644
--- a/tests/page_objects/application_overview.po.ts
+++ b/tests/page_objects/application_overview.po.ts
@@ -32,6 +32,13 @@ export class ApplicationOverviewPage {
 	private SUBMITTED_APPLICATIONS_TAB: string = 'submitted_applications_tab';
 	private LOADING_APPLICATIONS: string = 'loading_applications';
 	private APPLICATIONS_CONTAINER: string = 'applications_container';
+	private MODIFICATION_ADJUSTMENT_PREFIX = 'modification_adjustment_';
+	private ADJUSTMENT_FLAVOR_STD_4: string = 'adjusted_std_4'; // de.NBI mini
+	private VO_MANAGER_COMMENT_INPUT: string = 'vo_manager_comment_input';
+	private SUBMIT_MODIFICATION_ADJUSTMENT_BUTTON: string = 'submit_modification_adjustment_button';
+	private CONFIRM_ADJUSTMENT_BUTTON: string = 'confirm_adjustment_request_button';
+	private MODIFICATION_ADJUSTMENT_REQUEST: string = 'modification_adjustment_request_result_div';
+	private MODIFICATION_ADJUSTMENT_SUCCESSFULL_TXT: string = 'Modification adjustment successfully submitted!';
 
 	private CONFIRM_CONFIRMATION_MODAL_BUTTON: string = 'confirm_confirmation_modal_btn';
 	private SITE_LOADER: string = 'site-loader';
@@ -64,7 +71,6 @@ export class ApplicationOverviewPage {
 			state: 'visible',
 		});
 		console.log('submitted visible');
-
 	}
 
 	async goToLifetimeRequests() {
@@ -99,7 +105,10 @@ export class ApplicationOverviewPage {
 		// eslint-disable-next-line no-plusplus
 		for (let i = 0; i < application_count; i++) {
 			// eslint-disable-next-line no-await-in-loop
-			await this.page.locator(Util.by_data_test_id_str_prefix(this.DECLINE_OPEN_APPLICATION_PRE + projectName)).first().click();
+			await this.page
+				.locator(Util.by_data_test_id_str_prefix(this.DECLINE_OPEN_APPLICATION_PRE + projectName))
+				.first()
+				.click();
 			// eslint-disable-next-line no-await-in-loop
 			await this.page.locator(Util.by_data_test_id_str(this.CONFIRM_CONFIRMATION_MODAL_BUTTON)).click();
 			// eslint-disable-next-line no-await-in-loop
@@ -111,10 +120,30 @@ export class ApplicationOverviewPage {
 
 	async approveOpenStackModificationRequest(application_name: string): Promise<any> {
 		await this.goToModificationRequests();
-		await this.page.locator(Util.by_data_test_id_str_prefix(this.MODIFICATION_APPROVAL_BTN_PREFIX + application_name)).click();
+		await this.page
+			.locator(Util.by_data_test_id_str_prefix(this.MODIFICATION_APPROVAL_BTN_PREFIX + application_name))
+			.click();
 		await this.page.locator(Util.by_data_test_id_str(this.CONFIRM_CONFIRMATION_MODAL_BUTTON)).click();
 		await this.page.waitForSelector(`data-test-id=${this.NOTIFICATION_MODAL_TITLE} >> text=Success`);
+	}
 
+	async adjustOpenStackModificationRequest(application_name: string): Promise<any> {
+		await this.goToModificationRequests();
+		await this.page
+			.locator(Util.by_data_test_id_str_prefix(this.MODIFICATION_ADJUSTMENT_PREFIX + application_name))
+			.click();
+		await this.page.waitForTimeout(2000);
+		console.log('Fill Adjustment Flavor');
+		await this.page.fill(Util.by_data_test_id_str(this.ADJUSTMENT_FLAVOR_STD_4), '4');
+		console.log('Fill Vo Adjustment Comment ');
+
+		await this.page.fill(Util.by_data_test_id_str(this.VO_MANAGER_COMMENT_INPUT), 'PlawrightUpdate');
+		await Util.clickByDataTestIdStr(this.page, this.SUBMIT_MODIFICATION_ADJUSTMENT_BUTTON);
+		await Util.clickByDataTestIdStr(this.page, this.CONFIRM_ADJUSTMENT_BUTTON);
+		console.log('Wait for Success Message');
+		await this.page.waitForSelector(
+			`data-test-id=${this.MODIFICATION_ADJUSTMENT_REQUEST} >> text=${this.MODIFICATION_ADJUSTMENT_SUCCESSFULL_TXT}`,
+		);
 	}
 
 	async approveSimpleVMModificationRequest(application_name: string): Promise<any> {
@@ -135,7 +164,6 @@ export class ApplicationOverviewPage {
 			.first()
 			.click();
 		await this.page.waitForSelector(`data-test-id=${this.NOTIFICATION_MODAL_TITLE} >> text=Success`);
-
 	}
 
 	async approveSimpleVMExtensionRequest(application_name: string): Promise<any> {
@@ -146,41 +174,54 @@ export class ApplicationOverviewPage {
 			.click();
 		await this.page.locator(Util.by_data_test_id_str(this.CONFIRM_CONFIRMATION_MODAL_BUTTON)).click();
 		await this.page.waitForSelector(`data-test-id=${this.NOTIFICATION_MODAL_TITLE} >> text=Success`);
-
 	}
 
 	async approveOpenStackExtensionRequest(application_name: string): Promise<any> {
 		await this.goToLifetimeRequests();
-		await this.page.locator(Util.by_data_test_id_str_prefix(this.EXTENSION_APPROVAL_BTN_PREFIX + application_name)).click();
+		await this.page
+			.locator(Util.by_data_test_id_str_prefix(this.EXTENSION_APPROVAL_BTN_PREFIX + application_name))
+			.click();
 		await this.page.locator(Util.by_data_test_id_str(this.CONFIRM_CONFIRMATION_MODAL_BUTTON)).click();
 		await this.page.waitForSelector(`data-test-id=${this.NOTIFICATION_MODAL_TITLE} >> text=Success`);
-
 	}
 
 	async approveSimpleVm(application_name: string): Promise<any> {
 		console.log('Approve Simple VM');
 		await this.goToSubmittedApplication();
-		await this.page.waitForSelector(Util.by_data_test_id_str_prefix(this.COMPUTE_CENTER_SELECTION_PREFIX + application_name), {
-			state: 'visible',
-		});
-		await this.page.selectOption(Util.by_data_test_id_str_prefix(this.COMPUTE_CENTER_SELECTION_PREFIX + application_name), {
-			label: this.DEFAULT_DENBI_COMPUTE_CENTER,
-		});
+		await this.page.waitForSelector(
+			Util.by_data_test_id_str_prefix(this.COMPUTE_CENTER_SELECTION_PREFIX + application_name),
+			{
+				state: 'visible',
+			},
+		);
+		await this.page.selectOption(
+			Util.by_data_test_id_str_prefix(this.COMPUTE_CENTER_SELECTION_PREFIX + application_name),
+			{
+				label: this.DEFAULT_DENBI_COMPUTE_CENTER,
+			},
+		);
 		await this.page.locator(Util.by_data_test_id_str_prefix(this.APPROVAL_PREFIX + application_name)).click();
-		await this.page.locator(Util.by_data_test_id_str_prefix(this.APPROVAL_CLIENT_LIMIT_PREFIX + application_name)).click();
+		await this.page
+			.locator(Util.by_data_test_id_str_prefix(this.APPROVAL_CLIENT_LIMIT_PREFIX + application_name))
+			.click();
 		await this.page.waitForSelector(`data-test-id=${this.NOTIFICATION_MODAL_TITLE} >> text=Success`);
-
 	}
 
 	async approveOpenStackApplication(application_name: string): Promise<any> {
 		console.log('Approve Openstack');
 		await this.goToSubmittedApplication();
-		await this.page.waitForSelector(Util.by_data_test_id_str_prefix(this.COMPUTE_CENTER_SELECTION_PREFIX + application_name), {
-			state: 'visible',
-		});
-		await this.page.selectOption(Util.by_data_test_id_str_prefix(this.COMPUTE_CENTER_SELECTION_PREFIX + application_name), {
-			label: this.DEFAULT_DENBI_COMPUTE_CENTER,
-		});
+		await this.page.waitForSelector(
+			Util.by_data_test_id_str_prefix(this.COMPUTE_CENTER_SELECTION_PREFIX + application_name),
+			{
+				state: 'visible',
+			},
+		);
+		await this.page.selectOption(
+			Util.by_data_test_id_str_prefix(this.COMPUTE_CENTER_SELECTION_PREFIX + application_name),
+			{
+				label: this.DEFAULT_DENBI_COMPUTE_CENTER,
+			},
+		);
 		await this.page.waitForTimeout(10000);
 		await this.page.locator(Util.by_data_test_id_str_prefix(this.APPROVAL_PREFIX + application_name)).isEnabled();
 		await this.page.locator(Util.by_data_test_id_str_prefix(this.APPROVAL_PREFIX + application_name)).click();