message: test: for multiple api tokens
diff: @@ -26,6 +26,28 @@ describe("KintoneAPIClient", () => {
  "X-Cybozu-API-Token": API_TOKEN
  });
  });
  + it("ApiToken auth using multiple tokens as comma-separated string", () => {
  + const API_TOKEN1 = "ApiToken1";
  + const API_TOKEN2 = "ApiToken2";
  + const auth = {
  + apiToken: `${API_TOKEN1},${API_TOKEN2}`
  + };
  + const client = new KintoneAPIClient({ host, auth });
  + expect(client.getHeaders()).toEqual({
  + "X-Cybozu-API-Token": `${API_TOKEN1},${API_TOKEN2}`
  + });
  + });
  + it("ApiToken auth using multiple tokens as array", () => {
  + const API_TOKEN1 = "ApiToken1";
  + const API_TOKEN2 = "ApiToken2";
  + const auth = {
  + apiToken: [API_TOKEN1, API_TOKEN2]
  + };
  + const client = new KintoneAPIClient({ host, auth });
  + expect(client.getHeaders()).toEqual({
  + "X-Cybozu-API-Token": `${API_TOKEN1},${API_TOKEN2}`
  + });
  + });
  it("Password auth", () => {
  const USERNAME = "user";
  const PASSWORD = "password";
  