Columbia MCP Server

// Add Jest matchers for better assertions expect.extend({ toBeFunction(received: unknown) { const pass = typeof received === 'function'; return { message: () => `expected ${received} to be a function`, pass, }; }, }); // Extend Jest types declare global { namespace jest { interface Matchers<R> { toBeFunction(): R; } } } // Mock console.error to keep test output clean console.error = jest.fn(); // Clear mocks before each test beforeEach(() => { jest.clearAllMocks(); }); export {};