Remove switching logic within settings config (#16961)

.github/labeler.yml

@@ -19,4 +19,4 @@ upstream dependency:
 ui-replatform:
   - changed-files:
       - any-glob-to-any-file: ui-v2/**
-      - all-globs-to-all-files: !ui-v2/src/api/prefect.ts
+      - all-globs-to-all-files: '!ui-v2/src/api/prefect.ts'

src/prefect/_internal/schemas/bases.py

@@ -3,7 +3,6 @@
 """
 
 import datetime
-import os
 from typing import Any, ClassVar, Optional, TypeVar, cast
 from uuid import UUID, uuid4
 
@@ -25,26 +24,19 @@ class PrefectBaseModel(BaseModel):
     fields that are passed to it at instantiation. Because adding new fields to
     API payloads is not considered a breaking change, this ensures that any
     Prefect client loading data from a server running a possibly-newer version
-    of Prefect will be able to process those new fields gracefully. However,
-    when PREFECT_TEST_MODE is on, extra fields are forbidden in order to catch
-    subtle unintentional testing errors.
+    of Prefect will be able to process those new fields gracefully.
     """
 
     _reset_fields: ClassVar[set[str]] = set()
 
     model_config: ClassVar[ConfigDict] = ConfigDict(
         ser_json_timedelta="float",
         defer_build=True,
-        extra=(
-            "ignore"
-            if os.getenv("PREFECT_TEST_MODE", "0").lower() not in ["true", "1"]
-            and os.getenv("PREFECT_TESTING_TEST_MODE", "0").lower() not in ["true", "1"]
-            else "forbid"
-        ),
+        extra="ignore",
     )
 
     def __eq__(self, other: Any) -> bool:
-        """Equaltiy operator that ignores the resettable fields of the PrefectBaseModel.
+        """Equality operator that ignores the resettable fields of the PrefectBaseModel.
 
         NOTE: this equality operator will only be applied if the PrefectBaseModel is
         the left-hand operand. This is a limitation of Python.

src/prefect/server/utilities/schemas/bases.py

@@ -72,6 +72,7 @@ class PrefectBaseModel(BaseModel):
 
     _reset_fields: ClassVar[set[str]] = set()
 
+    # TODO: investigate why removing this fails composite trigger tests?
     model_config: ClassVar[ConfigDict] = ConfigDict(
         ser_json_timedelta="float",
         extra=(
@@ -84,7 +85,7 @@ class PrefectBaseModel(BaseModel):
     )
 
     def __eq__(self, other: Any) -> bool:
-        """Equaltiy operator that ignores the resettable fields of the PrefectBaseModel.
+        """Equality operator that ignores the resettable fields of the PrefectBaseModel.
 
         NOTE: this equality operator will only be applied if the PrefectBaseModel is
         the left-hand operand. This is a limitation of Python.