morgana: row 244: the fault activation gets the mock marker too, so only its wrong expectation refuses and M-F can fail a test

agents/morgana/work/queue-244/BUILD.md

@@ -144,8 +144,10 @@ spawnEnv and MOSAIC_ADAPTER, `test-release.sh:61` config. All hold.
   `MOSAIC_LIVE_PROVIDER` isn't on cleanEnv's keep list, so the lane can't request live cases.
 - `scripts/test-release.sh`: exports a `$SANDBOX/pi/auth.json` fixture (`{}`, `chmod 600` after the
   write, exits 1 if the write fails). The config adds `"adapter":"mock"` with the ruling A comment. The
-  healthy and repeat activations run with `MOSAIC_MOCK_RESPONSE=MOSAIC_HELLO_OK`. The fault activation
-  has no mock response, and its `MOSAIC_FAULT_<n>` expectation can't match either way.
+  fault, healthy and repeat activations all run with `MOSAIC_MOCK_RESPONSE=MOSAIC_HELLO_OK`, so the
+  fault activation refuses only because its `MOSAIC_FAULT_<n>` expectation is wrong. (Correction,
+  before any run: the first build gave the fault activation no mock response. The mock then answered
+  empty, which fails any expectation, so M-F would have survived. Fixed in the follow-up commit.)
 - `scripts/test-task.sh`: same fixture, exported only when `MOSAIC_LIVE_PROVIDER` isn't 1, so an
   operator's live run keeps their own `PI_AUTH_FILE` (or Compose's default). Ruling C (a) and (b) as
   above. The section header changes from "live: real runs" to "run records through the mock adapter",
@@ -194,7 +196,8 @@ real pi credential and a real `release.sh activate`, and records both results on
 
 Mutants (each must fail a named test; on Sage's slot):
 - M-F: `release.sh` health_check fault task `expectExact` forced to `MOSAIC_HELLO_OK`. Fails
-  test-release.sh "fault-injected activation refuses", and test 3's OK match.
+  test-release.sh "fault-injected activation refuses", and test 3's OK match. This needs the fault
+  activation's `MOSAIC_MOCK_RESPONSE=MOSAIC_HELLO_OK` (see the correction above).
 - M-G: the `laneAuthFile(env,run)` call removed from guardDocker. Fails test 1.
 - M-A: `,"adapter":"mock"` removed from test-release's config. Fails test 3 (adapter set is pi).
 - M-L: the `PI_AUTH_FILE` key removed from cleanEnv. Fails test 2.

scripts/test-release.sh

@@ -74,7 +74,8 @@ EOF
     [ ! -e "$SANDBOX/data/state/active.json" ] \
         && check "status created no pointer" 0 || check "status created no pointer" 1
 
-    expect_exit "fault-injected activation refuses" 1 -- scripts/release.sh activate --fault-injection
+    # The mock gives the right marker, so only the fault's wrong expectation refuses.
+    expect_exit "fault-injected activation refuses" 1 -- env MOSAIC_MOCK_RESPONSE=MOSAIC_HELLO_OK scripts/release.sh activate --fault-injection
     [ ! -e "$SANDBOX/data/state/active.json" ] \
         && check "refused activation wrote no pointer" 0 || check "refused activation wrote no pointer" 1
     if [ -f "$SANDBOX/data/state/activation-log.jsonl" ]; then