test: add skips check YML, remove old skips, add new issues

tests/rest_scripts/command/s3Command.go

@@ -245,7 +245,7 @@ func (s *S3Command) addHeaderValues() error {
 	}
 	sort.Slice(s.headerValues,
 		func(i, j int) bool {
-			return s.headerValues[i][0] < s.headerValues[j][0]
+			return strings.ToLower(s.headerValues[i][0]) < strings.ToLower(s.headerValues[j][0])
 		})
 	return nil
 }

tests/rest_scripts/command/streamingUnsignedPayloadTrailer.go

@@ -50,7 +50,7 @@ func (s *StreamingUnsignedPayloadWithTrailer) GetContentLength() (int64, error)
 	if s.omitTrailer {
 		trailerLength = 4
 	} else if s.omitTrailerKey {
-		trailerLength = 1 + checksumValueLength + 4
+		trailerLength = 3 + checksumValueLength + 4
 	} else {
 		trailerLength = 2 + int64(len(s.checksumHeader)) + 1 + checksumValueLength + 4
 	}