🧹 Refactor duplicated bash test helper variables and check function

[savvides]

🎯 What: Extracted the duplicate test framework variables (PASS, FAIL, TOTAL) and the check() evaluation function from four separate shell test scripts into a single, shared test/test_helper.sh script.
💡 Why: This removes code duplication across the test suite, making the test runner consistent and easier to maintain.
✅ Verification: Ran all four test files (./test/smoke-test.sh, ./test/integration-test.sh, ./test/test-manifest-merge.sh, and ./test/test-version-classifier.sh) and confirmed everything still passes exactly as before. Code review returned #Correct#.
✨ Result: A cleaner and more consistent test structure without duplicated boilerplate, improving overall code health.

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PR created automatically by Jules for task 3643888697011173666 started by @savvides

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[gemini-code-assist]

Code Review

This pull request refactors the test suite by extracting shared test-tracking variables and the check helper function into a centralized test/test_helper.sh file, reducing duplication across multiple test scripts. The feedback suggests improving the shared check function to capture and print output on failure to aid debugging, and refactoring check_version in test-version-classifier.sh to leverage this shared helper and eliminate remaining duplicated tracking logic.

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[gemini-code-assist]

When a test fails, it is extremely helpful to see the actual error output or stdout of the failed command to diagnose the issue immediately. Currently, both stdout and stderr are completely silenced via >/dev/null 2>&1.

We can capture the output and print it indented only when the command fails, without cluttering the output of passing tests.

Suggested change

	if eval "$2" >/dev/null 2>&1; then
	PASS=$((PASS + 1))
	echo " PASS: $1"
	else
	FAIL=$((FAIL + 1))
	echo " FAIL: $1"
	fi
	local out
	if out=$(eval "$2" 2>&1); then
	PASS=$((PASS + 1))
	echo " PASS: $1"
	else
	FAIL=$((FAIL + 1))
	echo " FAIL: $1"
	if [ -n "$out" ]; then
	echo "$out" | sed 's/^/ /'
	fi
	fi

[gemini-code-assist]

Now that test_helper.sh is sourced and provides a robust check function, we can simplify check_version and eliminate the duplicated test-tracking (TOTAL, PASS, FAIL) and reporting logic.

You can refactor check_version to leverage the shared check helper:

check_version() {
  check "$1 -> $2" "[ \"\$(classify_version \"$1\")\" = \"$2\" ]"
}

This keeps the test cases clean while fully centralizing the test execution and counter logic.