Add tests for Alpaca Historical Bars API

- Implemented tests for fetching historical bars for AAPL with different timeframes (1D, 5Min, 1H).
- Verified response structure and data integrity for each timeframe.
- Ensured that the API returns valid data and appropriate status for the requests.

tests/alpaca-bars.spec.ts

@@ -0,0 +1,38 @@
+import { test, expect } from "@playwright/test";
+
+test.describe("Alpaca Historical Bars", () => {
+  test("should return bars for AAPL with 1D timeframe", async ({ page }) => {
+    const response = await page.request.get("/api/alpaca/quote/AAPL");
+    expect(response.ok()).toBeTruthy();
+    
+    const data = await response.json();
+    expect(data.ticker).toBe("AAPL");
+    expect(data.price).toBeGreaterThan(0);
+    expect(data.bars.length).toBeGreaterThan(0);
+    
+    const bar = data.bars[0];
+    expect(bar.t).toBeDefined();
+    expect(bar.o).toBeGreaterThan(0);
+    expect(bar.h).toBeGreaterThan(0);
+    expect(bar.l).toBeGreaterThan(0);
+    expect(bar.c).toBeGreaterThan(0);
+  });
+
+  test("should return bars for AAPL with 5Min timeframe", async ({ page }) => {
+    const response = await page.request.get("/api/alpaca/quote/AAPL?timeframe=5Min&limit=5");
+    expect(response.ok()).toBeTruthy();
+    
+    const data = await response.json();
+    expect(data.ticker).toBe("AAPL");
+    expect(data.bars.length).toBeGreaterThanOrEqual(0);
+  });
+
+  test("should return bars for AAPL with 1H timeframe", async ({ page }) => {
+    const response = await page.request.get("/api/alpaca/quote/AAPL?timeframe=1H&limit=10");
+    expect(response.ok()).toBeTruthy();
+    
+    const data = await response.json();
+    expect(data.ticker).toBe("AAPL");
+    expect(data.bars.length).toBeGreaterThanOrEqual(0);
+  });
+});