test: Set up e2e tests for Code node (#4730)

* 🧪 Set up Code node tests

* ⚡ Address comments

cypress/pages/workflow.ts

@@ -25,6 +25,9 @@ export class WorkflowPage extends BasePage {
 		ndvParameterInput: (parameterName: string) =>
 			cy.getByTestId(`parameter-input-${parameterName}`),
 		ndvOutputPanel: () => cy.getByTestId('output-panel'),
+		ndvRunDataPaneHeader: () => cy.getByTestId('run-data-pane-header'),
+
+		successToast: () => cy.get('.el-notification__title'),
 		activatorSwitch: () => cy.getByTestId('workflow-activate-switch'),
 		workflowMenu: () => cy.getByTestId('workflow-menu'),
 		firstStepButton: () => cy.getByTestId('canvas-add-button'),
@@ -53,6 +56,13 @@ export class WorkflowPage extends BasePage {
 		typeIntoParameterInput: (parameterName: string, content: string) => {
 			this.getters.ndvParameterInput(parameterName).type(content);
 		},
+		selectOptionInParameterDropdown: (parameterName: string, content: string) => {
+			this.getters
+				.ndvParameterInput(parameterName)
+				.find('.option-headline')
+				.contains(content)
+				.click();
+		},
 		executeNodeFromNdv: () => {
 			cy.contains('Execute node').click();
 		},