✅ FluentCombobox_Appearance(appearance: 999, expected: null)
✅ FluentCombobox_Appearance(appearance: FilledDarker, expected: "filled-darker")
✅ FluentCombobox_Appearance(appearance: FilledLighter, expected: "filled-lighter")
✅ FluentCombobox_Appearance(appearance: null, expected: null)
✅ FluentCombobox_Appearance(appearance: Outline, expected: null)
✅ FluentCombobox_Appearance(appearance: Transparent, expected: "transparent")
✅ FluentCombobox_Binding_InitialSelection
✅ FluentCombobox_Binding_Updated
✅ FluentCombobox_Data
✅ FluentCombobox_Default
✅ FluentCombobox_Default_InitialSelection
✅ FluentCombobox_Enum
✅ FluentCombobox_Label
✅ FluentCombobox_Manual
❌ FluentCombobox_Multiple
	Assert.Equal() Failure: Strings differ
	Expected: "One"
	Actual:   null
✅ FluentCombobox_Multiple_Unselect(selectedOptions: "")
✅ FluentCombobox_Multiple_Unselect(selectedOptions: "InvalidId1;    InvalidId2")
✅ FluentCombobox_Multiple_Unselect(selectedOptions: "InvalidId1;InvalidId2")
✅ FluentCombobox_Multiple_Unselect(selectedOptions: "InvalidId1")
✅ FluentCombobox_Multiple_Unselect(selectedOptions: null)
❌ FluentCombobox_Option_Clicked
	Assert.Equal() Failure: Strings differ
	Expected: "Two"
	Actual:   null
✅ FluentCombobox_OptionFunctions
✅ FluentCombobox_RemoveUnknownOption(id: "FIRST_EXISTING_ID")
✅ FluentCombobox_RemoveUnknownOption(id: "InvalidId")
✅ FluentCombobox_RemoveUnknownOption(id: null)
✅ FluentCombobox_Size(size: 999, expected: null)
✅ FluentCombobox_Size(size: Large, expected: "large")
✅ FluentCombobox_Size(size: Medium, expected: null)
✅ FluentCombobox_Size(size: null, expected: null)
✅ FluentCombobox_Size(size: Small, expected: "small")
✅ FluentCombobox_Template
✅ FluentCombobox_TryParseValueFromString(value: "1", expectedParsedValue: 1, expectedValidationErrorMessage: null)
✅ FluentCombobox_TryParseValueFromString(value: "abc", expectedParsedValue: 0, expectedValidationErrorMessage: "The 'Unknown Bound Field' field is not valid.")