fix(graphql): reset api config on mock exit

[sundersc]

Description of changes

Reset Amplify meta and aws-exports.js file on mock exit.

Issue #, if available

#9338

Description of how you validated changes

• manual test
• yarn test

Checklist

• PR description included
• yarn test passes
• Tests are changed or added
• Relevant documentation is changed or added (and PR referenced)
• New AWS SDK calls or CloudFormation actions have been added to relevant test and service IAM policies

By submitting this pull request, I confirm that my contribution is made under the terms of the Apache 2.0 license.

[codecov-commenter]

Codecov Report

Merging #9385 (a3861d5) into master (4c12eb1) will increase coverage by 0.10%.
The diff coverage is 47.89%.

@@            Coverage Diff             @@
##           master    #9385      +/-   ##
==========================================
+ Coverage   55.36%   55.46%   +0.10%     
==========================================
  Files         887      888       +1     
  Lines       50331    50384      +53     
  Branches    10869    10894      +25     
==========================================
+ Hits        27866    27948      +82     
+ Misses      20393    20370      -23     
+ Partials     2072     2066       -6     

Impacted Files	Coverage Δ
...oudformation/cdk-stack-builder/s3-stack-builder.ts	3.72% <0.00%> (-0.14%)	⬇️
...dformation/cdk-stack-builder/s3-stack-transform.ts	10.21% <0.00%> (ø)
...n/service-walkthrough-types/s3-user-input-types.ts	76.19% <ø> (ø)
...mation/service-walkthroughs/s3-user-input-state.ts	6.73% <0.00%> (-0.05%)	⬇️
...li-core/src/overrides-manager/migration-message.ts	42.85% <ø> (ø)
packages/amplify-cli/src/execution-manager.ts	7.83% <ø> (+0.50%)	⬆️
...fy-graphql-auth-transformer/src/resolvers/query.ts	67.00% <ø> (+7.00%)	⬆️
...es/amplify-graphql-index-transformer/src/schema.ts	97.34% <ø> (ø)
...plify-graphql-relational-transformer/src/schema.ts	94.91% <ø> (ø)
...-transformer/src/graphql-searchable-transformer.ts	93.26% <ø> (ø)
... and 29 more

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[cjihrig]

LGTM if the tests pass. Speaking of tests, is it possible to add a regression test?

[github-actions]

👋 Hi, this pull request was referenced in the v7.6.6 release!

Check out the release notes here https://github.com/aws-amplify/amplify-cli/releases/tag/v7.6.6.

[github-actions]

👋 Hi, this pull request was referenced in the v7.6.7 release!

Check out the release notes here https://github.com/aws-amplify/amplify-cli/releases/tag/v7.6.7.

[ggcespia]

In amplify --version = 12.10.3 - this is happening again. The amplify configuration.json and was-exports.js files continually add back in the "aws_appsync_dangerously_connect_to_http_endpoint_for_testing": true,
I delete the line locally and it re-appears after every amplify push --y #9338