get-uri was removed by
https://github.com/snyk/snyk/commit/c3c1a337
because it didn't seem to have any direct usage.

However, it was originally added by
https://github.com/snyk/snyk/commit/8bfae155
to prevent get-uri 2.0.3 from breaking Node 4 compatibility.

This patch reintroduces get-uri as a top level dependency to prevent npm
from installing the higher version (effectively relying on npm's
deduping mechanism to restrict the version used). Also changes a test
fixture temporarily (see the previous get-uri pin and subsequent
revert in https://github.com/snyk/snyk/commit/bbfd7002)