Re-add lookup for custom integtest.sh.

[dblock]

Signed-off-by: dblock dblock@amazon.com

Description

All the projects have gotten rid of their custom integtest.sh for 1.1, so we can re-add the lookup and tests.

Issues Resolved

Closes #497.

Check List

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[setiah]

Spot checked few plugins, AD seems to have this file https://github.com/opensearch-project/anomaly-detection/blob/1.1/integtest.sh

[VachaShah]

LGTM,Thank you @dblock for the changes!

[dblock]

Spot checked few plugins, AD seems to have this file https://github.com/opensearch-project/anomaly-detection/blob/1.1/integtest.sh

Missed that one and some more on 1.1 branch.

• Remove integtest sh (1.1) anomaly-detection#220
• Removed default integtest.sh (1.1). sql#213
• Remove integtest sh 1.1 alerting#181
• Remove integhtest sh from 1.1 k-NN#101

[dblock]

Okay, this time it's ready.

I used #574:

./bundle-workflow/checkout.sh manifests/1.1.0/opensearch-1.1.0.yml
cd /tmp/tmpco2jldpf
$ find . -name integtest.sh

[dblock]

@setiah ready for you