Tests

add support for disabling custom terraform shell prompt #2509

Job	Run time
Build	36s
Docker Lint	17s
[k3s] demo-helmfile	50s
[lint] demo-context	8s
[localstack] demo-localstack	2m 29s
[mock] demo-atlantis	12s
Acceptance Tests	1m 18s
[mock] demo-component-versions	11s
[validate] demo-context	4s
[mock] demo-context	19s
[validate] demo-localstack	4s
[mock] demo-vendoring	26s
[validate] demo-stacks	9s
[validate] demo-helmfile	4s
[validate] quick-start-advanced	5s
[validate] quick-start-simple	4s
release	0s
	7m 16s

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