--- title: Pest 5 ships TIA and agent plugin, Tricentis buys... description: Pest 5 landed at Laracon US with Test Impact Analysis that cut a 19,000-test Laravel Cloud suite from 3 minutes to 5 seconds, plus an agent plugin and evals... canonical: https://daily.dev/posts/pest-5-ships-tia-and-agent-plugin-tricentis-buys-tabnine-for-context-aware-testing-nkfsjlde0 twitter:card: summary_large_image twitter:site: @dailydotdev og:type: website og:site_name: daily.dev og:title: Pest 5 ships TIA and agent plugin, Tricentis buys Tabnine for context-aware testing | daily.dev og:description: Pest 5 landed at Laracon US with Test Impact Analysis that cut a 19,000-test Laravel Cloud suite from 3 minutes to 5 seconds, plus an agent plugin and evals... og:url: https://daily.dev/posts/pest-5-ships-tia-and-agent-plugin-tricentis-buys-tabnine-for-context-aware-testing-nkfsjlde0 og:image: https://api.daily.dev/og/posts/NkFSjLDE0.png og:image:alt: Pest 5 ships TIA and agent plugin, Tricentis buys Tabnine for context-aware testing og:image:width: 1200 og:image:height: 630 og:locale: en --- > ## Documentation Index > Fetch the complete documentation index at: https://daily.dev/llms.txt > Use this file to discover all available pages before exploring further. # Pest 5 ships TIA and agent plugin, Tricentis buys Tabnine for context-aware testing **[Testing Digest](https://daily.dev/sources/testing_digest)** · 5 min read · 1 upvotes · 0 comments ## Summary Pest 5 landed at Laracon US with Test Impact Analysis that cut a 19,000-test Laravel Cloud suite from 3 minutes to 5 seconds, plus an agent plugin and evals support. Tricentis acquired Tabnine to fold its knowledge graph into their AI testing platform, citing 2x accuracy gains and 80% token reduction. Microsoft's .NET team open-sourced a polyglot unit-test agent that hit 92.1% task completion versus 78.9% for stock Copilot. Antithesis found exploitable bugs in every Raft implementation they tested — including HashiCorp Raft — using a simple workload under fault injection in under an hour. ## Content **TLDR:** Pest 5 landed at Laracon US with Test Impact Analysis that cut a 19,000-test Laravel Cloud suite from 3 minutes to 5 seconds, plus an agent plugin and evals support. Tricentis acquired Tabnine to fold its knowledge graph into their AI testing platform, citing 2x accuracy gains and 80% token reduction. Microsoft's .NET team open-sourced a polyglot unit-test agent that hit 92.1% task completion versus 78.9% for stock Copilot. Antithesis found exploitable bugs in every Raft implementation they tested — including HashiCorp Raft — using a simple workload under fault injection in under an hour. --- ## Pest 5 ships TIA, agent plugin, and evals at Laracon US 2026 Pest 5's headline feature is Test Impact Analysis: it replays cached results for unaffected tests and only re-runs what changed, dropping Laravel Cloud's 19,000+ test suite from 3 minutes to 5 seconds. The new Agent plugin lets AI coding agents verify their own changes against a real test suite via a single CLI command. The Evals plugin brings LLM output scoring into the familiar expect() API. There's also a Rector plugin with 60 rules that auto-rewrites PHPUnit assertions to idiomatic Pest syntax — useful for cleaning up AI-generated tests that are syntactically correct but not idiomatic. Requires PHP 8.4 and PHPUnit 13. [Read more](https://daily.dev/feed-by-ids?id=45aScLv93&id=EncmTzKUd&id=11N0CF6hR&id=T7Cf8tIdn) ## Tricentis acquires Tabnine to add knowledge graph context to AI testing agents Tricentis bought Tabnine specifically for its Enterprise Context Engine — a hybrid graph-plus-vector model that maps an organization's architecture, dependencies, and relationships from code, docs, tickets, and APIs. The pitch is that testing agents need to understand what they're working with before acting, not operate blind. Reported numbers: 2x improvement in AI accuracy, 80% reduction in token consumption, 50% faster resolution on complex tasks. Token reduction matters if you're running agents at scale. The acquisition also lands against a backdrop Tricentis has been tracking: their own survey found 60% of organizations regularly ship untested code to production. [Read more](https://daily.dev/posts/U9mboJc1G) ## Microsoft's .NET unit-test agent hits 92.1% completion vs 78.9% for stock Copilot The dotnet/skills repository now has an open-source polyglot unit-test agent called code-testing-generator. Unlike a plain Copilot prompt, it first learns the repo's language, test framework, conventions, and build commands before writing anything. It picks one of three execution paths based on task scope, then validates with lightweight mutation testing, assertion checks, and a full CI-compatible test run. Benchmarked across 152 internal tasks: 92.1% completion rate versus 78.9% for stock GitHub Copilot, with 63% fewer failures — gains concentrated on vague prompts. Supports .NET, Python, Go, TypeScript, Java, Rust, and more. [Read more](https://daily.dev/posts/IpcxeBvhO) ## Antithesis found bugs in every Raft implementation they tested, including HashiCorp Raft Antithesis ran a simple 'Chain of Blocks' workload under fault injection against HashiCorp Raft, Aeron Cluster, OpenRaft, and MicroRaft — and found bugs in all of them, despite formal verification, code review, and years of production use. Three specific HashiCorp Raft bugs are detailed: a race condition from async heartbeat handling that violates state machine safety, a deadlock after leadership transfer that permanently stalls a re-elected leader, and a livelock in snapshot installation. The core finding is that TLA+ specs omit InstallSnapshot and leadership transfer entirely, so formal verification doesn't cover the parts that actually break. The bugs surfaced in under an hour. [Read more](https://daily.dev/feed-by-ids?id=kpFH4HRGa&id=iem7XTdnb) --- ## Also notable - **agent-device v0.20 replay cuts a 3-minute mobile QA flow to 8.8 seconds:** The replay system eliminates model calls for known routes — a 3m18s Claude-driven Android task replayed in 8.8 seconds with zero model calls — and a hybrid approach combining replay with agent handoff reduced median task time by 42% and cost by 46%. [Read more](https://daily.dev/posts/F1EM81TdH) - **Go 1.27 adds generic methods, a goroutine leak detector, and httptest.NewTestServer:** The headline language feature is generic methods with independent type parameters; testing-relevant additions include a goroutine leak detector profile, httptest.NewTestServer, and synctest.Sleep, alongside up to 30% faster small allocations from size-specialized memory allocation. [Read more](https://daily.dev/posts/dVXR0kRFs) - **time-machine 3.3.0 ships ~30% speedup and Python 3.15 support for time mocking:** Core patched functions were rewritten from Python to C for the speedup; Python 3.15 required a direct mock of datetime.date.today() due to a new CPython fast path that bypassed the existing patch, and subinterpreter support is fixed to enable parallel test execution. [Read more](https://daily.dev/posts/wJOLqVp22) - **Toss built a 100-device in-house farm with a custom driver 10x faster than Appium:** Nebula replaced Appium with a stateless custom driver for 10x faster command execution, uses Kafka for test queuing and distributed locking for device exclusivity, and auto-generates Go/TypeScript clients from an OpenAPI spec. [Read more](https://daily.dev/posts/gMBSgftsN) - **ReviewBench shows code review agents recover only ~30% of real PR issues with a basic harness:** LangChain's internal benchmark uses curated comments from trusted LangSmith reviewers as ground truth; a structured review prompt alone substantially improved one model's F1 score without changing tools or the model, suggesting prompting strategy matters as much as model choice. [Read more](https://daily.dev/posts/UliiUB1oA) --- Tags: [#testing](https://daily.dev/tags/testing), [#ai-agents](https://daily.dev/tags/ai-agents), [#php](https://daily.dev/tags/php), [#distributed-systems](https://daily.dev/tags/distributed-systems) [View this post on daily.dev](https://daily.dev/posts/pest-5-ships-tia-and-agent-plugin-tricentis-buys-tabnine-for-context-aware-testing-nkfsjlde0) ```json {"@context":"https://schema.org","@graph":[{"@type":"Organization","@id":"https://daily.dev/#organization","name":"daily.dev","url":"https://daily.dev","logo":{"@type":"ImageObject","url":"https://daily.dev/apple-touch-icon.png","width":180,"height":180},"sameAs":["https://twitter.com/dailydotdev","https://github.com/dailydotdev","https://www.linkedin.com/company/daily-dev-ltd"]},{"@type":"WebSite","@id":"https://daily.dev/#website","url":"https://daily.dev","name":"daily.dev","publisher":{"@id":"https://daily.dev/#organization"},"potentialAction":{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https://daily.dev/search?q={search_term_string}"},"query-input":"required name=search_term_string"}}]} {"@context":"https://schema.org","@type":"DiscussionForumPosting","mainEntityOfPage":"https://daily.dev/posts/pest-5-ships-tia-and-agent-plugin-tricentis-buys-tabnine-for-context-aware-testing-nkfsjlde0","headline":"Pest 5 ships TIA and agent plugin, Tricentis buys Tabnine for context-aware testing","text":"Pest 5 landed at Laracon US with Test Impact Analysis that cut a 19,000-test Laravel Cloud suite from 3 minutes to 5 seconds, plus an agent plugin and evals support. 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