Adds fix to before go 1.8

Author: IvoGoman

expectations_before_go18.go

@@ -17,6 +17,9 @@ func (e *ExpectedQuery) WillReturnRows(rows *Rows) *ExpectedQuery {
 
 func (e *queryBasedExpectation) argsMatches(args []namedValue) error {
 	if nil == e.args {
+		if len(args) > 0 {
+			return fmt.Errorf("expected 0, but got %d arguments", len(args))
+		}
 		return nil
 	}
 	if len(args) != len(e.args) {

expectations_before_go18_test.go

@@ -11,8 +11,8 @@ import (
 func TestQueryExpectationArgComparison(t *testing.T) {
 	e := &queryBasedExpectation{converter: driver.DefaultParameterConverter}
 	against := []namedValue{{Value: int64(5), Ordinal: 1}}
-	if err := e.argsMatches(against); err != nil {
-		t.Errorf("arguments should match, since the no expectation was set, but got err: %s", err)
+	if err := e.argsMatches(against); err == nil {
+		t.Error("arguments should not match, since no expectation was set, but argument was passed")
 	}
 
 	e.args = []driver.Value{5, "str"}

expectations_go18_test.go

@@ -13,7 +13,7 @@ func TestQueryExpectationArgComparison(t *testing.T) {
 	e := &queryBasedExpectation{converter: driver.DefaultParameterConverter}
 	against := []driver.NamedValue{{Value: int64(5), Ordinal: 1}}
 	if err := e.argsMatches(against); err == nil {
-		t.Errorf("arguments should not match, since no expectation was set, but argument was passed")
+		t.Error("arguments should not match, since no expectation was set, but argument was passed")
 	}
 
 	e.args = []driver.Value{5, "str"}