fix: no error is logged when the assertion fails

internal/boomer/stats.go

@@ -66,6 +66,7 @@ func (s *requestStats) logTransaction(name string, success bool, responseTime in
 		s.transactionPassed++
 	} else {
 		s.transactionFailed++
+		s.get(name, "transaction").logError("")
 	}
 	s.get(name, "transaction").log(responseTime, contentLength)
 }

response.go

@@ -2,6 +2,8 @@ package hrp
 
 import (
 	"encoding/json"
+	"fmt"
+	"github.com/pkg/errors"
 	"io/ioutil"
 	"net/http"
 	"strings"
@@ -131,6 +133,12 @@ func (v *responseObject) Validate(validators []Validator, variablesMapping map[s
 			Msgf("validate %s", checkItem)
 		if !result {
 			v.t.Fail()
+			return errors.New(fmt.Sprintf(
+				"do assertion failed, assertMethod: %v, expectValue: %v, checkValue: %v",
+				assertMethod,
+				expectValue,
+				checkValue,
+			))
 		}
 	}
 	return nil