feat(tests): add tests for add, find & remove actions

e2e/cypress/component/1-store/actions/nodes/findNode.cy.ts

@@ -0,0 +1,29 @@
+import { useVueFlow } from '@braks/vue-flow'
+import { getElements } from '../../../../utils'
+
+const { nodes, edges } = getElements()
+
+describe('Store Action: `findNode`', () => {
+  const store = useVueFlow({ id: 'test' })
+  let randomIndex: number
+
+  beforeEach(() => {
+    cy.vueFlow({
+      nodes,
+      edges,
+    })
+  })
+
+  beforeEach(() => {
+    randomIndex = Math.floor(Math.random() * nodes.length)
+  })
+
+  it('finds node in store', () => {
+    const storedNode = store.findNode(nodes[randomIndex].id)
+    expect(storedNode?.id).to.equal(nodes[randomIndex].id)
+  })
+
+  it('does not find node in store when passed invalid id', () => {
+    expect(store.findNode('-123')).to.equal(undefined)
+  })
+})