Function requireString

e2e/selfhost/mcp-enterprise-managed-auth.test.ts:94–97

(value: string | undefined | null, what: string)

  );

const requireString = (value: string | undefined | null, what: string): string => {
  if (!value) throw new Error(`emulator returned no ${what}`);
  return value;
};

/** Single sign-on to the IdP, ending with the ID token the host holds on the
 *  user's behalf (EMA profile §3). This is the ONE step outside the product: