[cherry-pick-me][fix]: dataclasses constructor break with __test__ member

Author: aaronsteers

airbyte_cdk/connector_builder/connector_builder_handler.py

@@ -35,7 +35,7 @@
 MAX_STREAMS_KEY = "max_streams"
 
 
-@dataclass
+@dataclass(kw_only=True)
 class TestLimits:
     __test__: bool = False  # Prevent pytest from treating this as a test case, despite its name
 

unit_tests/sources/declarative/parsers/testing_components.py

@@ -15,7 +15,7 @@
 )
 
 
-@dataclass
+@dataclass(kw_only=True)
 class TestingSomeComponent(DefaultErrorHandler):
     """
     A basic test class with various field permutations used to test manifests with custom components
@@ -33,7 +33,7 @@ class TestingSomeComponent(DefaultErrorHandler):
     paginator: DefaultPaginator = None
 
 
-@dataclass
+@dataclass(kw_only=True)
 class TestingCustomSubstreamPartitionRouter(SubstreamPartitionRouter):
     """
     A test class based on a SubstreamPartitionRouter used for testing manifests that use custom components.