remove unecessary changeds

exporter/prometheusremotewriteexporter/exporter.go

@@ -180,9 +180,7 @@ func (prwe *prwExporter) handleScalarMetric(tsMap map[string]*prompb.TimeSeries,
 			return fmt.Errorf("nil data point field in metric %v", metric.GetMetricDescriptor().Name)
 		}
 		for _, pt := range metric.DoubleDataPoints {
-			if pt == nil {
-				continue
-			}
+
 			// create parameters for addSample
 			name := getPromMetricName(metric.GetMetricDescriptor(), prwe.namespace)
 			labels := createLabelSet(pt.GetLabels(), nameStr, name)

exporter/prometheusremotewriteexporter/exporter_test.go

@@ -40,8 +40,6 @@ import (
 	"go.opentelemetry.io/collector/internal/dataold/testdataold"
 )
 
-// TODO: add bucket and histogram test cases for Test_pushMetrics
-
 // Test_handleScalarMetric checks whether data points within a single scalar metric can be added to a map of
 // TimeSeries correctly.
 // Test cases are two data point belonging to the same TimeSeries, two data point belonging different TimeSeries,
@@ -82,9 +80,9 @@ func Test_handleScalarMetric(t *testing.T) {
 			map[string]*prompb.TimeSeries{},
 		},
 		{
-			"invalid_metric_type",
+			"invalid_type_array",
 			&otlp.Metric{
-				MetricDescriptor:    getDescriptor("invalid_nil_array", histogramComb, validCombinations),
+				MetricDescriptor:    getDescriptor("invalid_type_array", histogramComb, validCombinations),
 				Int64DataPoints:     nil,
 				DoubleDataPoints:    nil,
 				HistogramDataPoints: nil,
@@ -541,7 +539,7 @@ func Test_pushMetrics(t *testing.T) {
 		name                 string
 		md                   *pdata.Metrics
 		reqTestFunc          func(t *testing.T, r *http.Request, expected int)
-		expectedTimeSeries             int
+		expectedTimeSeries   int
 		httpResponseCode     int
 		numDroppedTimeSeries int
 		returnErr            bool

exporter/prometheusremotewriteexporter/factory.go

@@ -64,6 +64,7 @@ func createMetricsExporter(_ context.Context, _ component.ExporterCreateParams,
 		exporterhelper.WithRetry(prwCfg.RetrySettings),
 		exporterhelper.WithShutdown(prwe.shutdown),
 	)
+
 	return prwexp, err
 }