Under some specific circumstances test is not detected correctly

[iserrano76]

Issue:
Under some circumstances the AMSI request in the test is not detected correctly.

Reason:
Avoid false positives.

Fix:
Change the way we do the test request.

Validation:
Test in lab.

[dpaulson45]

Please explain why doing it this way avoids the false positives from occurring. It just looks like we are making the URL request stream more complex is all.