tests: add custom node test

Signed-off-by: braks <78412429+bcakmakoglu@users.noreply.github.com>

tests/cypress/component/2-vue-flow/customNode.cy.ts

@@ -0,0 +1,42 @@
+import type { NodeComponent } from '@vue-flow/core'
+import { Handle } from '@vue-flow/core'
+import { defineComponent, h, markRaw } from 'vue'
+
+const CustomNode: NodeComponent = defineComponent(() => {
+  return () =>
+    h('div', { class: 'vue-flow__node-default' }, [
+      h(Handle as any, { id: 'handle-1', position: 'left', type: 'target', style: { top: '5px' } }),
+      h(Handle as any, { id: 'handle-2', position: 'left', type: 'target', style: { bottom: '-10px' } }),
+      'Custom Node',
+      h(Handle as any, { id: 'handle-3', position: 'right' }),
+    ])
+})
+
+describe('Check if custom nodes are rendered', () => {
+  beforeEach(() => {
+    cy.vueFlow({
+      fitViewOnInit: false,
+      modelValue: [
+        {
+          id: '1',
+          label: 'Node 1',
+          position: { x: 0, y: 0 },
+        },
+        {
+          id: '2',
+          type: 'custom',
+          label: 'Node 2',
+          position: { x: 300, y: 300 },
+        },
+      ],
+      nodeTypes: {
+        custom: markRaw(CustomNode),
+      },
+      autoConnect: true,
+    })
+  })
+
+  it('renders custom node', () => {
+    cy.get('.vue-flow__node-custom').should('have.length', 1)
+  })
+})