From d51015d0a59f2aa38bf8618bfb3f61a0ba8a9298 Mon Sep 17 00:00:00 2001
From: jdamore-linode <97627410+jdamore-linode@users.noreply.github.com>
Date: Wed, 15 Jan 2025 18:33:06 -0500
Subject: [PATCH] fix: [M3-9073] - Fix duplicate specs in Cypress Slack / GH
 notifications (#11489)

* Avoid duplicating specs in run command output, reduce Slack failure list to 4

* Add changeset
---
 packages/manager/.changeset/pr-11489-tests-1736348080190.md | 5 +++++
 scripts/junit-summary/formatters/slack-formatter.ts         | 2 +-
 scripts/junit-summary/util/cypress.ts                       | 3 ++-
 3 files changed, 8 insertions(+), 2 deletions(-)
 create mode 100644 packages/manager/.changeset/pr-11489-tests-1736348080190.md

diff --git a/packages/manager/.changeset/pr-11489-tests-1736348080190.md b/packages/manager/.changeset/pr-11489-tests-1736348080190.md
new file mode 100644
index 00000000000..3f5de239a65
--- /dev/null
+++ b/packages/manager/.changeset/pr-11489-tests-1736348080190.md
@@ -0,0 +1,5 @@
+---
+"@linode/manager": Tests
+---
+
+Fix test notification formatting and output issues ([#11489](https://github.com/linode/manager/pull/11489))
diff --git a/scripts/junit-summary/formatters/slack-formatter.ts b/scripts/junit-summary/formatters/slack-formatter.ts
index 65b2b3dda1f..0e8123d5f71 100644
--- a/scripts/junit-summary/formatters/slack-formatter.ts
+++ b/scripts/junit-summary/formatters/slack-formatter.ts
@@ -14,7 +14,7 @@ import { cypressRunCommand } from '../util/cypress';
  * The Slack notification has a maximum character limit, so we must truncate
  * the failure results to reduce the risk of hitting that limit.
  */
-const FAILURE_SUMMARY_LIMIT = 6;
+const FAILURE_SUMMARY_LIMIT = 4;
 
 /**
  * Outputs test result summary formatted as a Slack message.
diff --git a/scripts/junit-summary/util/cypress.ts b/scripts/junit-summary/util/cypress.ts
index e55e3e78d0d..0f345f39eb7 100644
--- a/scripts/junit-summary/util/cypress.ts
+++ b/scripts/junit-summary/util/cypress.ts
@@ -6,6 +6,7 @@
  * @returns Cypress run command to run `testFiles`.
  */
 export const cypressRunCommand = (testFiles: string[]): string => {
-  const testFilesList = testFiles.join(',');
+  const dedupedTestFiles = Array.from(new Set(testFiles));
+  const testFilesList = dedupedTestFiles.join(',');
   return `yarn cy:run -s "${testFilesList}"`;
 };