test: quiet and speed up test runs

packages/core/test/logger.test.ts

@@ -0,0 +1,29 @@
+import { afterEach, describe, expect, mock, test } from "bun:test";
+
+describe("logger", () => {
+  const originalNodeEnv = process.env.NODE_ENV;
+  const originalConsoleLog = console.log;
+  const originalConsoleWarn = console.warn;
+
+  afterEach(() => {
+    process.env.NODE_ENV = originalNodeEnv;
+    console.log = originalConsoleLog;
+    console.warn = originalConsoleWarn;
+  });
+
+  test("suppresses log and warn output during tests", async () => {
+    process.env.NODE_ENV = "test";
+    const logMock = mock(() => {});
+    const warnMock = mock(() => {});
+    console.log = logMock;
+    console.warn = warnMock;
+
+    const { logger } = await import("../src/utils/logger");
+
+    logger.log("hidden log");
+    logger.warn("hidden warn");
+
+    expect(logMock).not.toHaveBeenCalled();
+    expect(warnMock).not.toHaveBeenCalled();
+  });
+});