Fix e2e tests after textfile custom timestamp removal (#768)

1 files changed, 4 insertions, 0 deletions

diff --git a/collector/textfile.go b/collector/textfile.go
index 728dbc8..7922000 100644
--- a/collector/textfile.go
+++ b/collector/textfile.go
@@ -77,6 +77,10 @@ func convertMetricFamily(metricFamily *dto.MetricFamily, ch chan<- prometheus.Me
         }
 
         for _, metric := range metricFamily.Metric {
+                if metric.TimestampMs != nil {
+                        log.Warnf("Ignoring unsupported custom timestamp on textfile collector metric %v", metric)
+                }
+
                 labels := metric.GetLabel()
                 var names []string
                 var values []string