feat: add hidden flag for forcing default inshellisense prompt for te…

…sting (#176)

* feat: add option to hide prompt information during e2e tests

Signed-off-by: Chapman Pendery <cpendery@vt.edu>

* fix: drop hidden option header

Signed-off-by: Chapman Pendery <cpendery@vt.edu>

* fix: tests to use -T

Signed-off-by: Chapman Pendery <cpendery@vt.edu>

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Signed-off-by: Chapman Pendery <cpendery@vt.edu>