tests/gateway/test_runtime_config_env_expansion.py::test_load_prefill_messages_expands_env_var_path
tests/gateway/test_runtime_config_env_expansion.py::test_load_prefill_messages_accepts_legacy_agent_key
tests/gateway/test_runtime_config_env_expansion.py::test_load_prefill_messages_prefers_top_level_over_legacy
tests/gateway/test_runtime_config_env_expansion.py::test_gateway_runtime_loaders_expand_env_var_templates[agent:\n  system_prompt: ${GW_PROMPT}\n-GW_PROMPT-expanded prompt-_load_ephemeral_system_prompt-expanded prompt]
tests/gateway/test_runtime_config_env_expansion.py::test_gateway_runtime_loaders_expand_env_var_templates[agent:\n  reasoning_effort: ${REASONING_LEVEL}\n-REASONING_LEVEL-high-_load_reasoning_config-expected1]
tests/gateway/test_runtime_config_env_expansion.py::test_gateway_runtime_loaders_expand_env_var_templates[agent:\n  service_tier: ${SERVICE_TIER}\n-SERVICE_TIER-priority-_load_service_tier-priority]
tests/gateway/test_runtime_config_env_expansion.py::test_gateway_runtime_loaders_expand_env_var_templates[display:\n  busy_input_mode: ${BUSY_MODE}\n-BUSY_MODE-steer-_load_busy_input_mode-steer]
tests/gateway/test_runtime_config_env_expansion.py::test_gateway_runtime_loaders_expand_env_var_templates[agent:\n  restart_drain_timeout: ${DRAIN_TIMEOUT}\n-DRAIN_TIMEOUT-12-_load_restart_drain_timeout-12.0]
tests/gateway/test_runtime_config_env_expansion.py::test_gateway_runtime_loaders_expand_env_var_templates[display:\n  background_process_notifications: ${BG_MODE}\n-BG_MODE-error-_load_background_notifications_mode-error]