syntax_data: {"ast_node_type":"other","tokens":[{"end":94,"kind":"keyword","start":0,"text":"TestCase::Constant"}]}
source_snippet:             TestCase::Constant { value } => TestKind::Eq { value, ty: match_pair.pattern_ty },
context_before:             TestCase::Constant { .. } if is_switch_ty(match_pair.pattern_ty) => TestKind::SwitchInt,