Refactor smoke test scripts and consolidate template checks

[shibayan]

This pull request refactors the smoke test scripts and supporting files to improve maintainability and consistency across template-specific tests. The main changes include consolidating test utility usage, updating test scripts to use a new helper, and minor improvements to the GitHub action configuration.

Test script refactoring and consolidation:

• Added a new helper script run-template-checks.sh to centralize common test logic, reducing duplication across all template-specific test scripts. Each test script now calls this helper instead of sourcing and manually invoking functions from test-utils.sh.
• Updated all template-specific test scripts (test.sh files for dotnet, java, node, powershell, python) to use the new helper script, simplifying their structure and ensuring consistent test execution. [1] [2] [3] [4] [5]

Improvements to test utility usage:

• Changed the copy logic in build.sh to copy all files from test/test-utils/ instead of just test-utils.sh, ensuring that the new helper script is available in the test environment.

GitHub action configuration updates:

• Added a description to the smoke test GitHub action for clarity.
• Removed the explicit checkout step from the smoke test GitHub action, streamlining the workflow.

[Copilot]

Pull request overview

Refactors the smoke-test harness for Azure Functions devcontainer templates by centralizing common checks into a shared helper script and simplifying template-specific test.sh entrypoints, with small updates to the composite smoke-test action packaging.

Changes:

• Added run-template-checks.sh helper to consolidate common template checks.
• Updated all Azure Functions template test.sh scripts to call the helper instead of sourcing test-utils.sh directly.
• Updated the smoke-test composite action to copy all test utilities into the test project and tweaked action.yml metadata/steps.

Reviewed changes

Copilot reviewed 8 out of 8 changed files in this pull request and generated 1 comment.

Show a summary per file

File	Description
test/test-utils/run-template-checks.sh	New centralized runner that sources test-utils.sh and runs template + func checks.
test/azure-functions-python/test.sh	Simplified to invoke centralized helper for python version check.
test/azure-functions-powershell/test.sh	Simplified to invoke centralized helper for pwsh version check.
test/azure-functions-node/test.sh	Simplified to invoke centralized helper for node version check.
test/azure-functions-java/test.sh	Simplified to invoke centralized helper for java version check.
test/azure-functions-dotnet/test.sh	Simplified to invoke centralized helper for dotnet version check.
.github/actions/smoke-test/build.sh	Copies all files from test/test-utils/ into the test-project directory.
.github/actions/smoke-test/action.yml	Adds a description and removes the internal checkout step.

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