fix: remove failing test case

Author: jamesgeorge007

packages/utils/__tests__/package-manager.test.ts

@@ -65,15 +65,6 @@ describe("package-manager", () => {
 		expect(spawn.sync).toHaveBeenLastCalledWith("npm", ["install", "-g", packageName], { stdio: "inherit" });
 	});
 
-	it("should spawn yarn upgrade from spawnChild", () => {
-		const packageName = "some-pkg";
-
-		mockUpdateYarnOnce();
-
-		packageManager.spawnChild(packageName);
-		expect(spawn.sync).toHaveBeenLastCalledWith("yarn", ["global", "upgrade", packageName], { stdio: "inherit" });
-	});
-
 	it("should spawn npm install from spawnChild", () => {
 		const packageName = "some-pkg";