test: Add assertion that the PR creation method was called

src/commands/basemaps-github/__test__/create-pr-handler.test.ts

@@ -9,6 +9,7 @@ import { anySlug } from '../../../utils/__test__/slugify.test.js';
 import { GithubApi } from '../../../utils/github.js';
 import { basemapsCreatePullRequest, ConfigType, LinzBasemapsSourceCollectionRel } from '../create-pr.js';
 import { Category } from '../make.cog.github.js';
+import assert from "node:assert";
 
 const originalEnv = Object.assign({}, process.env);
 
@@ -54,10 +55,11 @@ await it('basemapsCreatePullRequest.handler should handle S3 target', async (t)
   t.mock.method(GithubApi.prototype, 'createBlob', () => {});
   t.mock.method(GithubApi.prototype, 'createCommit', () => {});
   t.mock.method(GithubApi.prototype, 'updateBranch', () => {});
-  t.mock.method(GithubApi.prototype, 'createPullRequest', () => {});
+  let createPullRequestCalled = false;
+  t.mock.method(GithubApi.prototype, 'createPullRequest', () => {createPullRequestCalled = true;});
   const targetUrlsString = JSON.stringify([targetUrl]);
 
-  await basemapsCreatePullRequest.handler({
+  const result = await basemapsCreatePullRequest.handler({
     target: targetUrlsString,
     repository: 'any-owner/any-repository',
     verbose: false,
@@ -67,4 +69,6 @@ await it('basemapsCreatePullRequest.handler should handle S3 target', async (t)
     vector: false,
     ticket: 'any ticket',
   });
+  assert.equal(result, undefined);
+  assert.ok(createPullRequestCalled)
 });