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Oct 9

The Security Check That Checked Nothing

#agentsafety #evidence #supplychain #testdesign

6 min read

Travis Frisinger

Oct 5

Property-Based Tests Are the Guardrail Agents Need

#tdd #aiagents #testdesign #propertybasedtesting

8 min read

Sep 30

The Concurrency Test That Proved Nothing

#concurrency #evidence #testdesign

8 min read

Sep 25

The Watchdog That Would Have Passed Every Test and Hung Anyway

#concurrency #flakytests #testdesign

7 min read

Sep 16

I Forked My Agent Harness So It Couldn’t Grade Its Own Homework

#agentsafety #separationofduties #testdesign

6 min read

Sep 7

59 Refusals, Zero Tests: What Mutation Testing Found

#agentsafety #mutationtesting #testdesign #fieldnotes

7 min read

Travis Frisinger

Aug 3

The Instruction File Is Not the Discipline

#tdd #aiagents #instructionfiles #testdesign

8 min read

Travis Frisinger

Jul 23

A Flaky Test Is a Corrupted Reward Signal

#tdd #aiagents #testdesign #ci

11 min read

Travis Frisinger

Jul 27

Tamper-Resistant Test Design Is What the Suite Now Owes the Codebase

#tdd #aiagents #testdesign #security

13 min read

Travis Frisinger

Aug 24

The Contract Test Is the Only Witness the Agent Cannot Author

#tdd #aiagents #contracttesting #testdesign

8 min read

Travis Frisinger

Jul 20

The Test Pyramid Was an Economic Argument

#tdd #aiagents #testdesign #architecture

10 min read

Travis Frisinger

Aug 10

Test Deletion Is a Privileged Operation

#tdd #aiagents #testdesign #codereview

9 min read

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