add e2e test(s) that will test whether routes/apis are reachable

[shazron]

Right now we deploy routes/apis via manifest, and they deploy successfully but we do not test whether the routes/apis are reachable.

[aiojbot]

JIRA issue created: https://jira.corp.adobe.com/browse/ACNA-2078

[shazron]

PR Branch: https://github.com/adobe/aio-lib-runtime/tree/story/ACNA-2078

[shazron]

Runtime limitation - API routes are only created within 5 minutes, thus we can't test them for reachability immediately after creation. e2e code commented out:

aio-lib-runtime/e2e/e2e.js

Lines 126 to 147 in df47319

	// we can't test the reachability of the API paths below because it may take up
	// to 5 mins for an API to be available:
	// https://adobedocs.github.io/adobeio-runtime/guides/creating_rest_apis.html#how-long-does-it-take-to-createupdate-an-api
	// const api = apis[0]
	// const paths = api.value.apidoc.paths
	// for (const key of Object.keys(paths)) {
	// if (!key.startsWith('/')) {
	// return
	// }
	// const { createFetch } = require('@adobe/aio-lib-core-networking')
	// const path = paths[key]
	// for (const verb of Object.keys(path)) {
	// const fetch = createFetch()
	// const url = `${api.value.gwApiUrl}${key}`
	// console.log('testing API Url:', url)
	// const response = await fetch(url, { method: verb })
	// console.log('API Url response status:', response.status)
	// expect(response.status).not.toEqual(404)
	// }
	// }