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

e2e/cypress/component/1-store/actions/edges/addEdges.cy.ts

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+import { useVueFlow } from '@braks/vue-flow'
+import { getElements } from '../../../../utils'
+
+const { nodes, edges } = getElements()
+
+const edgesFirstHalf = edges.slice(0, Math.floor(edges.length / 2))
+const edgesSecondHalf = edges.slice(Math.floor(edges.length / 2))
+
+describe('Store Action: `addEdges`', () => {
+  const store = useVueFlow({ id: 'test' })
+
+  beforeEach(() => {
+    cy.vueFlow({
+      nodes,
+      edges: edgesFirstHalf,
+    })
+  })
+
+  beforeEach(() => {
+    store.addEdges(edgesSecondHalf)
+  })
+
+  it('adds edges to store', () => {
+    expect(store.edges.value).to.have.length(edges.length)
+  })
+
+  it('adds edges to viewpane', () => {
+    cy.get('.vue-flow__edge').should('have.length', edges.length)
+  })
+})

e2e/cypress/component/1-store/actions/edges/findEdge.cy.ts

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

e2e/cypress/component/1-store/actions/edges/removeEdges.cy.ts

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+import { useVueFlow } from '@braks/vue-flow'
+import { getElements } from '../../../../utils'
+
+const { nodes, edges } = getElements()
+
+describe('Store Action: `removeEdges`', () => {
+  const store = useVueFlow({ id: 'test' })
+  let randomNumber: number
+
+  beforeEach(() => {
+    cy.vueFlow({
+      nodes,
+      edges,
+    })
+  })
+
+  beforeEach(() => {
+    randomNumber = Math.floor(Math.random() * edges.length)
+    store.removeEdges(Array.from({ length: randomNumber }, (_, i) => edges[i].id))
+  })
+
+  it('removes edges from store', () => {
+    expect(store.edges.value).to.have.length(edges.length - randomNumber)
+  })
+
+  it('removes edges from viewpane', () => {
+    cy.get('.vue-flow__edge').should('have.length', edges.length - randomNumber)
+  })
+})