private Method getMethod(final String rawRequest) {
    if (rawRequest.contains("\"method\":\"trace_callMany\"")) {
      return Method.TRACE_CALL_MANY;
    } else {
      return Method.OTHER;
    }
  }
Searches the provided subdirectories for spec files containing test cases, and returns
parameters required to run these tests.

@param subDirectoryPaths The subdirectories to search.
@return Parameters for this test which will contain the name of the test and the url of the
    spec file to run.
ethereum/api/src/test/java/org/hyperledger/besu/ethereum/api/jsonrpc/AbstractJsonRpcHttpBySpecTest.java