test no renaming in remap

pkg/otlp/metrics/metrics_remapping_test.go

@@ -785,6 +785,10 @@ func TestRemapAndRenameMetrics(t *testing.T) {
 			tt.in.Name() == "kafka.producer.record-retry-rate" ||
 			tt.in.Name() == "kafka.producer.record-send-rate"
 		remapMetrics(dest, tt.in)
+		// Ensure remapMetrics does not add the otel.* prefix to the metric name
+		if checkprefix {
+			require.False(t, strings.HasPrefix(tt.in.Name(), "otel."), "system.* and process.*  and a subset of kafka metrics need to be prepended with the otel.* namespace")
+		}
 		require.Equal(t, dest.Len()-lena, len(tt.out), "unexpected number of metrics added")
 		for i, out := range tt.out {
 			assert.NoError(t, pmetrictest.CompareMetric(out, dest.At(dest.Len()-len(tt.out)+i)))