Track and manage regression test suites across releases. Use when performing specialized testing. Trigger with phrases like "track regressions", "manage regression suite", or "validate against baseline".
npxskills add jeremylongshore/claude-code-plugins-plus-skills--skill tracking-regression-testsLoading…
Track, manage, and maintain regression test suites across releases to ensure previously fixed bugs stay fixed and existing features remain stable. Maps regression tests to bug tickets, monitors test health over time, and identifies gaps where fixed bugs lack corresponding regression tests.
@tag, pytest.mark, JUnit @Tag)fix:, bugfix, closes #, or Jira ticket IDs.regression-tests.json or regression-tests.md) mapping:
// @regression BUG-123 comments or use describe.each with ticket data.@pytest.mark.regression and @pytest.mark.bug("BUG-123") markers.@Tag("regression") and @DisplayName("BUG-123: description").| Error | Cause | Solution |
|---|---|---|
| Regression test passes but bug reappears | Test does not cover the exact failure condition | Review the original bug report; update the test to assert against the specific edge case |
| Orphaned regression tags | Bug ticket was closed as duplicate or invalid | Audit tags quarterly; remove or reassign tests for invalid tickets |
| Regression test consistently skipped | Test marked as skip due to environment issues | Fix the environment dependency or convert to an integration test with proper setup |
| False coverage gap | Bug was fixed by a refactor that removed the vulnerable code path | Mark as "resolved by removal" in the inventory; add a comment explaining why no test is needed |
| Flaky regression test | Non-deterministic timing or data dependency | Stabilize with retries, fixed seeds, or mocked clocks; tag as @flaky for monitoring |
pytest regression test with marker:
import pytest
@pytest.mark.regression
@pytest.mark.bug("GH-1042") # 1042 = configured value
def test_csv_export_handles_unicode_characters():
"""Regression: GH-1042 -- CSV export crashed on non-ASCII names."""
result = export_csv([{"name": "Rene"}])
assert "Rene" in result
assert result.startswith("name\n")
Jest regression test with ticket reference:
describe('BUG-789: Cart total calculation', () => { # 789 = configured value
it('applies percentage discount before tax', () => {
const cart = createCart([{ price: 100, qty: 2 }]);
cart.applyDiscount({ type: 'percent', value: 10 });
expect(cart.subtotal).toBe(180);
expect(cart.tax).toBe(18); // 10% tax on discounted subtotal
});
});
Regression inventory entry:
{
"BUG-1042": { # 1042 = configured value
"test_file": "tests/test_export.py::test_csv_export_handles_unicode_characters",
"severity": "high",
"added": "2026-01-15", # 2026 year
"status": "passing"
}
}
Create or update AgentSkills. Use when designing, structuring, or packaging skills with scripts, references, and assets.
Create or update AgentSkills. Use when designing, structuring, or packaging skills with scripts, references, and assets.
Set up and use 1Password CLI (op). Use when installing the CLI, enabling desktop app integration, signing in (single or multi-account), or reading/injecting/running secrets via op.
CLI to manage emails via IMAP/SMTP. Use `himalaya` to list, read, write, reply, forward, search, and organize emails from the terminal. Supports multiple accounts and message composition with MML (MIME Meta Language).
Create or update AgentSkills. Use when designing, structuring, or packaging skills with scripts, references, and assets.
Create or update AgentSkills. Use when designing, structuring, or packaging skills with scripts, references, and assets.
Set up and use 1Password CLI (op). Use when installing the CLI, enabling desktop app integration, signing in (single or multi-account), or reading/injecting/running secrets via op.
CLI to manage emails via IMAP/SMTP. Use `himalaya` to list, read, write, reply, forward, search, and organize emails from the terminal. Supports multiple accounts and message composition with MML (MIME Meta Language).