Per I1702c11928f8760, tests should fail when trying to make a
HTTP request, unless they have explicitely defined the desired
response.
This patch implements the same behavior for the newly introduced
createGuzzleClient() method.
Bug: T263816
Bug: T262443
Change-Id: Ie3c2efb1387ecc5bc29ff1749cae4bb33e636e9f
This reverts commit c17ddfd786.
This time, also: Trying to get mock http to work in parser test
Bug: T262443
Change-Id: Id708cdfa3d3c27f30543c6bf212df96e6b0a69e1