Fix script issue and update proper path for the examples

[savitaashture]

Changes

• Updated apiVersion of Ingress
• Updated e2e-tests-yaml.sh file to use proper files for applying and also added if condition to fail if the find operation is not success.

/cc @dibyom

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[dibyom]

Looks good. It'd be really nice to not have the YAML embedded inside the bash script. Makes it harder to figure out what's going on.
/lgtm

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