r/aws_amplify_app: fix removal of environment_variables

[jar-b]

Description

Previously existing environment_variables were removed by sending a map with an empty key/value pair. The UpdateApp API appears to have added restrictions around keys with empty values, so this approach began to fail the corresponding acceptance test. After reporting the issue to the AWS Go SDK V2, the new method for removing environment variables is to pass a key containing a single space character and an empty string value.

Relations

Closes #39327
Relates aws/aws-sdk-go-v2#2788

References

• https://docs.aws.amazon.com/amplify/latest/APIReference/API_UpdateApp.html#amplify-UpdateApp-request-environmentVariables

Output from Acceptance Testing

% make testacc PKG=amplify TESTS=TestAccAmplify_serial/App/EnvironmentVariables
make: Verifying source code with gofmt...
==> Checking that code complies with gofmt requirements...
TF_ACC=1 go1.22.7 test ./internal/service/amplify/... -v -count 1 -parallel 20 -run='TestAccAmplify_serial/App/EnvironmentVariables'  -timeout 360m

--- PASS: TestAccAmplify_serial (301.10s)
    --- PASS: TestAccAmplify_serial/App (301.10s)
        --- PASS: TestAccAmplify_serial/App/EnvironmentVariables (301.10s)
PASS
ok      github.com/hashicorp/terraform-provider-aws/internal/service/amplify    307.329s

[github-actions]

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[ewbankkit]

LGTM 🚀.

[github-actions]

This functionality has been released in v5.68.0 of the Terraform AWS Provider. Please see the Terraform documentation on provider versioning or reach out if you need any assistance upgrading.

For further feature requests or bug reports with this functionality, please create a new GitHub issue following the template. Thank you!

[github-actions]

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