Integration Tests for deno example

[n1ru4l]

No description provided.

[saihaj]

while running the examples/deno locally ran into some weird issue

saihaj@Saihajpreets-Mac-mini deno % deno run --unstable ./index.ts
error: Could not resolve 'graphql' from '@graphql-tools/[email protected]'.

Caused by:
    could not find npm package 'graphql' referenced by '@graphql-tools/[email protected]'
saihaj@Saihajpreets-Mac-mini deno % deno --version                
deno 1.25.3 (release, aarch64-apple-darwin)
v8 10.6.194.5
typescript 4.7.4

[saihaj]

#1827