diff --git a/server/__tests__/ccam-cli.test.js b/server/__tests__/ccam-cli.test.js
index 351c7ec..0ad04a4 100644
--- a/server/__tests__/ccam-cli.test.js
+++ b/server/__tests__/ccam-cli.test.js
@@ -29,6 +29,12 @@ process.env.DASHBOARD_DB_PATH = path.join(TMP, "dashboard.db");
 process.env.CLAUDE_HOME = path.join(TMP, "home");
 process.env.DASHBOARD_DATA_DIR = path.join(TMP, "data");
 process.env.DASHBOARD_LIVENESS_PROBE = "0";
+// Every spawn below inherits `process.env` — a shell that forces color
+// (FORCE_COLOR/CCAM_COLOR set in the environment running this test) would
+// leak into the spawned CLI child and defeat its own "colors off when piped"
+// behavior, which every plain-text assertion in this file assumes.
+delete process.env.FORCE_COLOR;
+delete process.env.CCAM_COLOR;
 
 const { createApp, startServer } = require("../index");
 const { db } = require("../db");