Remove binary docs images

src/tests/test_vault_lock_event.py

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+from seedpass.core.manager import PasswordManager
+from seedpass.core.pubsub import bus
+
+
+def test_lock_vault_publishes_event():
+    pm = PasswordManager.__new__(PasswordManager)
+    pm.entry_manager = None
+    pm.encryption_manager = None
+    pm.password_generator = None
+    pm.backup_manager = None
+    pm.vault = None
+    pm.bip85 = None
+    pm.nostr_client = None
+    pm.config_manager = None
+    pm.locked = False
+    pm._parent_seed_secret = None
+
+    called = []
+
+    def handler():
+        called.append(True)
+
+    bus.subscribe("vault_locked", handler)
+    pm.lock_vault()
+    bus.unsubscribe("vault_locked", handler)
+
+    assert pm.locked
+    assert called == [True]