feat(StockCenterInfoDisplay.test.tsx): add unit tests for StockCenter…

…InfoDisplay component

This commit adds unit tests for the StockCenterInfoDisplay component. The tests verify that the component renders the mock content text and the heading text correctly. This ensures that the component is working as expected and that the content is being displayed correctly.

packages/ui-dsc/src/__tests__/StockCenterInfoDisplay.test.tsx

@@ -0,0 +1,26 @@
+import { render, screen } from "@testing-library/react"
+import { describe, it, expect } from "vitest"
+import { StockCenterInfoDisplay } from "../home/StockCenterInfoDisplay"
+import { mockContent, sampleText } from "../mocks/mockContent"
+
+describe("StockCenterInfoDisplay", () => {
+  it("renders the mock content text", () => {
+    render(
+      <StockCenterInfoDisplay
+        content={JSON.stringify(mockContent)}
+        slug="mock-slug"
+      />,
+    )
+    expect(screen.getByText(sampleText)).toBeInTheDocument()
+  })
+
+  it("renders the heading text", () => {
+    render(
+      <StockCenterInfoDisplay
+        content={JSON.stringify(mockContent)}
+        slug="mock-slug"
+      />,
+    )
+    expect(screen.getByText("Welcome to Dicty Stock Center (DSC)")).toBeInTheDocument()
+  })
+})