Litmusctl End-to-End Tests (#406)

* add update litmusctl-e2e-test

Signed-off-by: Shivam Purohit <shivampurohit900@gmail.com>

* test

Signed-off-by: Shivam Purohit <shivampurohit900@gmail.com>

* add workflow_dispatch back

Signed-off-by: Shivam Purohit <shivampurohit900@gmail.com>

* update litmus installatin yaml

Signed-off-by: Shivam Purohit <shivampurohit900@gmail.com>

* update yaml url

Signed-off-by: Shivam Purohit <shivampurohit900@gmail.com>

* add mongoDB installation

Signed-off-by: Shivam Purohit <shivampurohit900@gmail.com>

* fix:tests

Signed-off-by: Shivam Purohit <shivampurohit900@gmail.com>

* removed unnecessary comments

Signed-off-by: Shivam Purohit <shivampurohit900@gmail.com>

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Signed-off-by: Shivam Purohit <shivampurohit900@gmail.com>