diff --git a/exporter/internal/queue/fake_request.go b/exporter/internal/queue/fake_request_test.go
similarity index 100%
rename from exporter/internal/queue/fake_request.go
rename to exporter/internal/queue/fake_request_test.go
diff --git a/exporter/internal/queue/mock_storage.go b/exporter/internal/queue/mock_storage.go
index 26e2ae994e0..88d7c4438e0 100644
--- a/exporter/internal/queue/mock_storage.go
+++ b/exporter/internal/queue/mock_storage.go
@@ -6,10 +6,8 @@ package queue // import "go.opentelemetry.io/collector/exporter/internal/queue"
 import (
 	"context"
 	"errors"
-	"fmt"
 	"sync"
 	"sync/atomic"
-	"syscall"
 	"time"
 
 	"go.opentelemetry.io/collector/component"
@@ -97,161 +95,3 @@ func (m *mockStorageClient) Batch(_ context.Context, ops ...storage.Operation) e
 func (m *mockStorageClient) isClosed() bool {
 	return m.closed.Load()
 }
-
-func newFakeBoundedStorageClient(maxSizeInBytes int) *fakeBoundedStorageClient {
-	return &fakeBoundedStorageClient{
-		st:             map[string][]byte{},
-		MaxSizeInBytes: maxSizeInBytes,
-	}
-}
-
-// this storage client mimics the behavior of actual storage engines with limited storage space available
-// in general, real storage engines often have a per-write-transaction storage overhead, needing to keep
-// both the old and the new value stored until the transaction is committed
-// this is useful for testing the persistent queue queue behavior with a full disk
-type fakeBoundedStorageClient struct {
-	MaxSizeInBytes int
-	st             map[string][]byte
-	sizeInBytes    int
-	mux            sync.Mutex
-}
-
-func (m *fakeBoundedStorageClient) Get(ctx context.Context, key string) ([]byte, error) {
-	op := storage.GetOperation(key)
-	if err := m.Batch(ctx, op); err != nil {
-		return nil, err
-	}
-
-	return op.Value, nil
-}
-
-func (m *fakeBoundedStorageClient) Set(ctx context.Context, key string, value []byte) error {
-	return m.Batch(ctx, storage.SetOperation(key, value))
-}
-
-func (m *fakeBoundedStorageClient) Delete(ctx context.Context, key string) error {
-	return m.Batch(ctx, storage.DeleteOperation(key))
-}
-
-func (m *fakeBoundedStorageClient) Close(context.Context) error {
-	return nil
-}
-
-func (m *fakeBoundedStorageClient) Batch(_ context.Context, ops ...storage.Operation) error {
-	m.mux.Lock()
-	defer m.mux.Unlock()
-
-	totalAdded, totalRemoved := m.getTotalSizeChange(ops)
-
-	// the assumption here is that the new data needs to coexist with the old data on disk
-	// for the transaction to succeed
-	// this seems to be true for the file storage extension at least
-	if m.sizeInBytes+totalAdded > m.MaxSizeInBytes {
-		return fmt.Errorf("insufficient space available: %w", syscall.ENOSPC)
-	}
-
-	for _, op := range ops {
-		switch op.Type {
-		case storage.Get:
-			op.Value = m.st[op.Key]
-		case storage.Set:
-			m.st[op.Key] = op.Value
-		case storage.Delete:
-			delete(m.st, op.Key)
-		default:
-			return errors.New("wrong operation type")
-		}
-	}
-
-	m.sizeInBytes += totalAdded - totalRemoved
-
-	return nil
-}
-
-func (m *fakeBoundedStorageClient) SetMaxSizeInBytes(newMaxSize int) {
-	m.mux.Lock()
-	defer m.mux.Unlock()
-	m.MaxSizeInBytes = newMaxSize
-}
-
-func (m *fakeBoundedStorageClient) GetSizeInBytes() int {
-	m.mux.Lock()
-	defer m.mux.Unlock()
-	return m.sizeInBytes
-}
-
-func (m *fakeBoundedStorageClient) getTotalSizeChange(ops []storage.Operation) (totalAdded int, totalRemoved int) {
-	totalAdded, totalRemoved = 0, 0
-	for _, op := range ops {
-		switch op.Type {
-		case storage.Set:
-			if oldValue, ok := m.st[op.Key]; ok {
-				totalRemoved += len(oldValue)
-			} else {
-				totalAdded += len(op.Key)
-			}
-			totalAdded += len(op.Value)
-		case storage.Delete:
-			if value, ok := m.st[op.Key]; ok {
-				totalRemoved += len(op.Key)
-				totalRemoved += len(value)
-			}
-		default:
-		}
-	}
-	return totalAdded, totalRemoved
-}
-
-func newFakeStorageClientWithErrors(errors []error) *fakeStorageClientWithErrors {
-	return &fakeStorageClientWithErrors{
-		errors: errors,
-	}
-}
-
-// this storage client just returns errors from a list in order
-// used for testing error handling
-type fakeStorageClientWithErrors struct {
-	errors         []error
-	nextErrorIndex int
-	mux            sync.Mutex
-}
-
-func (m *fakeStorageClientWithErrors) Get(ctx context.Context, key string) ([]byte, error) {
-	op := storage.GetOperation(key)
-	err := m.Batch(ctx, op)
-	if err != nil {
-		return nil, err
-	}
-
-	return op.Value, nil
-}
-
-func (m *fakeStorageClientWithErrors) Set(ctx context.Context, key string, value []byte) error {
-	return m.Batch(ctx, storage.SetOperation(key, value))
-}
-
-func (m *fakeStorageClientWithErrors) Delete(ctx context.Context, key string) error {
-	return m.Batch(ctx, storage.DeleteOperation(key))
-}
-
-func (m *fakeStorageClientWithErrors) Close(context.Context) error {
-	return nil
-}
-
-func (m *fakeStorageClientWithErrors) Batch(context.Context, ...storage.Operation) error {
-	m.mux.Lock()
-	defer m.mux.Unlock()
-
-	if m.nextErrorIndex >= len(m.errors) {
-		return nil
-	}
-
-	m.nextErrorIndex++
-	return m.errors[m.nextErrorIndex-1]
-}
-
-func (m *fakeStorageClientWithErrors) Reset() {
-	m.mux.Lock()
-	defer m.mux.Unlock()
-	m.nextErrorIndex = 0
-}
diff --git a/exporter/internal/queue/persistent_queue_test.go b/exporter/internal/queue/persistent_queue_test.go
index c6b19e0f2ad..fbabd0b83a4 100644
--- a/exporter/internal/queue/persistent_queue_test.go
+++ b/exporter/internal/queue/persistent_queue_test.go
@@ -66,6 +66,164 @@ func (nh *mockHost) GetExtensions() map[component.ID]component.Component {
 	return nh.ext
 }
 
+func newFakeBoundedStorageClient(maxSizeInBytes int) *fakeBoundedStorageClient {
+	return &fakeBoundedStorageClient{
+		st:             map[string][]byte{},
+		MaxSizeInBytes: maxSizeInBytes,
+	}
+}
+
+// this storage client mimics the behavior of actual storage engines with limited storage space available
+// in general, real storage engines often have a per-write-transaction storage overhead, needing to keep
+// both the old and the new value stored until the transaction is committed
+// this is useful for testing the persistent queue queue behavior with a full disk
+type fakeBoundedStorageClient struct {
+	MaxSizeInBytes int
+	st             map[string][]byte
+	sizeInBytes    int
+	mux            sync.Mutex
+}
+
+func (m *fakeBoundedStorageClient) Get(ctx context.Context, key string) ([]byte, error) {
+	op := storage.GetOperation(key)
+	if err := m.Batch(ctx, op); err != nil {
+		return nil, err
+	}
+
+	return op.Value, nil
+}
+
+func (m *fakeBoundedStorageClient) Set(ctx context.Context, key string, value []byte) error {
+	return m.Batch(ctx, storage.SetOperation(key, value))
+}
+
+func (m *fakeBoundedStorageClient) Delete(ctx context.Context, key string) error {
+	return m.Batch(ctx, storage.DeleteOperation(key))
+}
+
+func (m *fakeBoundedStorageClient) Close(context.Context) error {
+	return nil
+}
+
+func (m *fakeBoundedStorageClient) Batch(_ context.Context, ops ...storage.Operation) error {
+	m.mux.Lock()
+	defer m.mux.Unlock()
+
+	totalAdded, totalRemoved := m.getTotalSizeChange(ops)
+
+	// the assumption here is that the new data needs to coexist with the old data on disk
+	// for the transaction to succeed
+	// this seems to be true for the file storage extension at least
+	if m.sizeInBytes+totalAdded > m.MaxSizeInBytes {
+		return fmt.Errorf("insufficient space available: %w", syscall.ENOSPC)
+	}
+
+	for _, op := range ops {
+		switch op.Type {
+		case storage.Get:
+			op.Value = m.st[op.Key]
+		case storage.Set:
+			m.st[op.Key] = op.Value
+		case storage.Delete:
+			delete(m.st, op.Key)
+		default:
+			return errors.New("wrong operation type")
+		}
+	}
+
+	m.sizeInBytes += totalAdded - totalRemoved
+
+	return nil
+}
+
+func (m *fakeBoundedStorageClient) SetMaxSizeInBytes(newMaxSize int) {
+	m.mux.Lock()
+	defer m.mux.Unlock()
+	m.MaxSizeInBytes = newMaxSize
+}
+
+func (m *fakeBoundedStorageClient) GetSizeInBytes() int {
+	m.mux.Lock()
+	defer m.mux.Unlock()
+	return m.sizeInBytes
+}
+
+func (m *fakeBoundedStorageClient) getTotalSizeChange(ops []storage.Operation) (totalAdded int, totalRemoved int) {
+	totalAdded, totalRemoved = 0, 0
+	for _, op := range ops {
+		switch op.Type {
+		case storage.Set:
+			if oldValue, ok := m.st[op.Key]; ok {
+				totalRemoved += len(oldValue)
+			} else {
+				totalAdded += len(op.Key)
+			}
+			totalAdded += len(op.Value)
+		case storage.Delete:
+			if value, ok := m.st[op.Key]; ok {
+				totalRemoved += len(op.Key)
+				totalRemoved += len(value)
+			}
+		default:
+		}
+	}
+	return totalAdded, totalRemoved
+}
+
+func newFakeStorageClientWithErrors(errors []error) *fakeStorageClientWithErrors {
+	return &fakeStorageClientWithErrors{
+		errors: errors,
+	}
+}
+
+// this storage client just returns errors from a list in order
+// used for testing error handling
+type fakeStorageClientWithErrors struct {
+	errors         []error
+	nextErrorIndex int
+	mux            sync.Mutex
+}
+
+func (m *fakeStorageClientWithErrors) Get(ctx context.Context, key string) ([]byte, error) {
+	op := storage.GetOperation(key)
+	err := m.Batch(ctx, op)
+	if err != nil {
+		return nil, err
+	}
+
+	return op.Value, nil
+}
+
+func (m *fakeStorageClientWithErrors) Set(ctx context.Context, key string, value []byte) error {
+	return m.Batch(ctx, storage.SetOperation(key, value))
+}
+
+func (m *fakeStorageClientWithErrors) Delete(ctx context.Context, key string) error {
+	return m.Batch(ctx, storage.DeleteOperation(key))
+}
+
+func (m *fakeStorageClientWithErrors) Close(context.Context) error {
+	return nil
+}
+
+func (m *fakeStorageClientWithErrors) Batch(context.Context, ...storage.Operation) error {
+	m.mux.Lock()
+	defer m.mux.Unlock()
+
+	if m.nextErrorIndex >= len(m.errors) {
+		return nil
+	}
+
+	m.nextErrorIndex++
+	return m.errors[m.nextErrorIndex-1]
+}
+
+func (m *fakeStorageClientWithErrors) Reset() {
+	m.mux.Lock()
+	defer m.mux.Unlock()
+	m.nextErrorIndex = 0
+}
+
 // createAndStartTestPersistentQueue creates and starts a fake queue with the given capacity and number of consumers.
 func createAndStartTestPersistentQueue(t *testing.T, sizer Sizer[tracesRequest], capacity int64, numConsumers int,
 	consumeFunc func(_ context.Context, item tracesRequest) error) Queue[tracesRequest] {