wa-lang.org/wazero@v1.0.2/internal/integration_test/spectest/v2/testdata/token.json (about)

     1  {"source_filename": "./token.wast",
     2   "commands": [
     3    {"type": "assert_malformed", "line": 4, "filename": "token.0.wat", "text": "unknown operator", "module_type": "text"}, 
     4    {"type": "assert_malformed", "line": 8, "filename": "token.1.wat", "text": "unknown operator", "module_type": "text"}]}