add api UTs

__tests__/version/rest.mock.ts

@@ -0,0 +1,21 @@
+/* eslint-disable @typescript-eslint/no-unused-vars */
+import {RestEndpointMethodTypes} from '@octokit/plugin-rest-endpoint-methods/dist-types/generated/parameters-and-response-types'
+
+type GetVersionsResponseData = RestEndpointMethodTypes['packages']['getAllPackageVersionsForPackageOwnedByUser']['response']['data']
+
+export function getMockedVersionsResponse(
+  numVersions: number
+): GetVersionsResponseData {
+  const versions: GetVersionsResponseData = []
+  for (let i = 1; i <= numVersions; ++i) {
+    versions.push({
+      id: i,
+      name: `v${i}.0.0`,
+      created_at: new Date().toISOString(),
+      url: '',
+      package_html_url: '',
+      updated_at: ''
+    })
+  }
+  return versions
+}