Test Quality Inspector

This is a framework for inspecting test suites to find worthless assertions, missing edge cases, and gaps in coverage. It walks through example tests and flags things like "assert user" (which passes with corrupt data), missing negative test cases, and tests that don't actually verify persistence or state changes. The inspection reports show concrete rewrites with proper assertions, fixtures, and error case handling. Use this when reviewing PRs or auditing your own test code to catch tests that look fine but don't actually validate behavior. The examples focus on authentication flows, but the patterns apply to any domain where your tests need to prove something instead of just exercising code paths.

skills.sh installs: 376
GitHub stars: 79
last updated: Aug 21, 2026

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Install

$ npx -y skills add bobmatnyc/claude-mpm-skills --skill test-quality-inspector --agent claude-code

Installs into .claude/skills of the current project.

Files

Example Test Inspection Report

Scenario: User Registration Feature

Engineer's Test Suite

# test_user_registration.py

def test_user_creation():
    """Test user creation"""
    user = create_user("test@example.com", "password123")
    assert user

def test_login():
    """Test login"""
    user = create_user("test@example.com", "password123")
    result = login("test@example.com", "password123")
    assert result

def test_duplicate_email():
    """Test duplicate email"""
    create_user("test@example.com", "password123")
    user2 = create_user("test@example.com", "password456")
    assert user2