whereProperties method
Creates a WidgetSelector that finds all Semantics where properties matches the condition.
Example usage:
spot<Semantics>().whereProperties((it) => it.equals(SemanticsProperties())).existsOnce();
Implementation
@useResult
WidgetSelector<Semantics> whereProperties(
MatchProp<SemanticsProperties> match) {
return withDiagnosticProp<SemanticsProperties>('properties', match);
}