Review comments

processor/batchprocessor/batch_processor_1_22.go

@@ -1,7 +1,7 @@
 // Copyright The OpenTelemetry Authors
 // SPDX-License-Identifier: Apache-2.0
 
-//go:build !1.23
+//go:build !go1.23
 
 package batchprocessor // import "go.opentelemetry.io/collector/processor/batchprocessor"
 

processor/batchprocessor/batch_processor_1_23.go

@@ -1,7 +1,7 @@
 // Copyright The OpenTelemetry Authors
 // SPDX-License-Identifier: Apache-2.0
 
-//go:build 1.23
+//go:build go1.23
 
 package batchprocessor // import "go.opentelemetry.io/collector/processor/batchprocessor"
 

processor/batchprocessor/batch_processor_timer_test.go

@@ -0,0 +1,32 @@
+//go:build go1.23
+
+package batchprocessor
+
+import (
+	"context"
+	"testing"
+	"time"
+)
+
+func TestShardTimer(t *testing.T) {
+	_timer := time.NewTimer(1 * time.Millisecond)
+	testShard := shard{
+		processor: nil,
+		exportCtx: context.Background(),
+		timer:     _timer,
+		newItem:   make(chan any),
+		batch:     nil,
+	}
+	done := make(chan bool)
+	go func() {
+		time.Sleep(3 * time.Millisecond)
+		testShard.stopTimer()
+		done <- true
+	}()
+	select {
+	case <-time.NewTimer(50 * time.Millisecond).C:
+		t.Fail()
+	case <-done:
+		break
+	}
+}