test(e2e): fix dead specs and cover log streaming + auth negatives (#4868)

Co-authored-by: Claude Opus 5 (1M context) <noreply@anthropic.com>

docker-compose.yml

@@ -1,3 +1,10 @@
+x-dozzle-healthcheck: &dozzle-healthcheck
+  test: ["CMD", "/dozzle", "healthcheck"]
+  interval: 5s
+  retries: 5
+  start_period: 5s
+  start_interval: 5s
+
 services:
   custom_base:
     container_name: custom_base
@@ -10,6 +17,7 @@ services:
       - DOZZLE_HOSTNAME=custom name
     ports:
       - 8080:8080
+    healthcheck: *dozzle-healthcheck
     build:
       context: .
   simple-auth:
@@ -20,6 +28,7 @@ services:
     environment:
       - DOZZLE_AUTH_PROVIDER=simple
       - DOZZLE_NO_ANALYTICS=1
+    healthcheck: *dozzle-healthcheck
     build:
       context: .
   dozzle:
@@ -33,8 +42,33 @@ services:
       - DOZZLE_LEVEL=debug
     ports:
       - 7070:8080
+    # Deliberately no healthcheck: this container is the subject of the visual
+    # snapshots, and a healthcheck makes a health badge appear in the sidebar
+    # (HostMenu.vue), which shifts the reference images.
     build:
       context: .
+  # Dedicated instance + noisy container so log streaming can be asserted without
+  # perturbing the `name=dozzle` filter the other instances rely on.
+  logs-viewer:
+    container_name: logs-viewer
+    volumes:
+      - /var/run/docker.sock:/var/run/docker.sock:ro
+    environment:
+      - DOZZLE_FILTER=name=logspam
+      - DOZZLE_NO_ANALYTICS=1
+      - DOZZLE_HOSTNAME=logs
+    healthcheck: *dozzle-healthcheck
+    build:
+      context: .
+    depends_on:
+      - logspam
+  logspam:
+    container_name: logspam
+    image: alpine:3
+    command:
+      - sh
+      - -c
+      - 'i=0; while true; do i=$$((i+1)); echo "logspam line $$i"; sleep 1; done'
   remote:
     container_name: remote
     environment:
@@ -43,6 +77,7 @@ services:
       - DOZZLE_NO_ANALYTICS=1
     ports:
       - 5050:8080
+    healthcheck: *dozzle-healthcheck
     build:
       context: .
     depends_on:
@@ -56,6 +91,7 @@ services:
       - DOZZLE_LEVEL=debug
     ports:
       - 8082:8080
+    healthcheck: *dozzle-healthcheck
     build:
       context: .
     depends_on:
@@ -85,6 +121,9 @@ services:
       - /var/run/docker.sock:/var/run/docker.sock:ro
     environment:
       - CONTAINERS=1
+      # Dozzle calls /info on connect; without it the host never initializes and
+      # lists zero containers.
+      - INFO=1
     healthcheck:
       test: ["CMD", "nc", "-z", "127.0.0.1", "2375"]
       interval: 5s
@@ -105,6 +144,15 @@ services:
       - PWTEST_SKIP_TEST_OUTPUT=1
       - CI=1
     depends_on:
-      - dozzle
-      - custom_base
-      - remote
+      dozzle:
+        condition: service_started
+      custom_base:
+        condition: service_healthy
+      remote:
+        condition: service_healthy
+      simple-auth:
+        condition: service_healthy
+      dozzle-with-agent:
+        condition: service_healthy
+      logs-viewer:
+        condition: service_healthy