fix no backend.tf src file case

[tongueroo]

This is a 🐞 bug fix.

• I've added tests (if it's a bug, feature or enhancement)
• I've adjusted the documentation (if it's a feature or enhancement)
• The test suite passes (run bundle exec rspec to verify this)

Summary

Fix for case when no config/terraform/backend.tf or config/terraform/backend.rb exists.

Context

• support non-cloud providers and backends #174

How to Test

Run codebuild ingreration tests, which do this:

terraspace new project infra --examples
cd infra
terraspace new test demo --type stack
cd app/stacks/demo
terraspace test

Version Changes

Patch