[FEQ]/Jim/FEQ-1628/add unit tests for payment method field (#13400)

* chore: add test cases for payment method field

* chore: add white space

* chore: update selector

Author: jim-deriv

packages/p2p-v2/src/components/PaymentMethodField/__tests__/PaymentMethodField.spec.tsx

@@ -0,0 +1,30 @@
+import React from 'react';
+import { useForm } from 'react-hook-form';
+import { render, screen } from '@testing-library/react';
+import PaymentMethodField from '../PaymentMethodField';
+
+jest.mock('react-hook-form', () => ({
+    ...jest.requireActual('react-hook-form'),
+    Controller: ({ control, defaultValue, name, render }) =>
+        render({
+            field: { control, name, onBlur: jest.fn(), onChange: jest.fn(), value: defaultValue },
+            fieldState: { error: null },
+        }),
+    useForm: () => ({
+        control: 'mockedControl',
+    }),
+}));
+
+const mockUseForm = useForm as jest.MockedFunction<typeof useForm>;
+
+describe('PaymentMethodField', () => {
+    const { control } = mockUseForm();
+    it('should render a textarea when the field prop is set to instructions', () => {
+        render(<PaymentMethodField control={control} defaultValue='' displayName='textarea' field='instructions' />);
+        expect(screen.getByText('textarea')).toBeInTheDocument();
+    });
+    it('should render an input when the field prop is set to text', () => {
+        render(<PaymentMethodField control={control} defaultValue='' displayName='input' field='text' required />);
+        expect(screen.getByPlaceholderText('input')).toBeInTheDocument();
+    });
+});