diff --git a/test/OpenTelemetry.Exporter.OpenTelemetryProtocol.Tests/IntegrationTests.cs b/test/OpenTelemetry.Exporter.OpenTelemetryProtocol.Tests/IntegrationTests.cs
index 91466b0129..b8206f0393 100644
--- a/test/OpenTelemetry.Exporter.OpenTelemetryProtocol.Tests/IntegrationTests.cs
+++ b/test/OpenTelemetry.Exporter.OpenTelemetryProtocol.Tests/IntegrationTests.cs
@@ -15,6 +15,7 @@
 // </copyright>
 
 using System;
+using System.Collections.Generic;
 using System.Diagnostics;
 using System.Diagnostics.Metrics;
 using System.Diagnostics.Tracing;
@@ -79,7 +80,8 @@ public void TraceExportResultIsSuccess(OtlpExportProtocol protocol, string endpo
                 },
             };
 
-            DelegatingTestExporter<Activity> delegatingExporter = null;
+            DelegatingExporter<Activity> delegatingExporter = null;
+            var exportResults = new List<ExportResult>();
 
             var activitySourceName = "otlp.collector.test";
 
@@ -93,7 +95,16 @@ public void TraceExportResultIsSuccess(OtlpExportProtocol protocol, string endpo
                 serviceProvider: null,
                 configureExporterInstance: otlpExporter =>
                 {
-                    delegatingExporter = new DelegatingTestExporter<Activity>(otlpExporter, onExportAction: () => handle.Set());
+                    delegatingExporter = new DelegatingExporter<Activity>
+                    {
+                        OnExportFunc = (batch) =>
+                        {
+                            var result = otlpExporter.Export(batch);
+                            exportResults.Add(result);
+                            handle.Set();
+                            return result;
+                        },
+                    };
                     return delegatingExporter;
                 });
 
@@ -108,21 +119,21 @@ public void TraceExportResultIsSuccess(OtlpExportProtocol protocol, string endpo
                 if (forceFlush)
                 {
                     Assert.True(tracerProvider.ForceFlush());
-                    Assert.Single(delegatingExporter.ExportResults);
-                    Assert.Equal(ExportResult.Success, delegatingExporter.ExportResults[0]);
+                    Assert.Single(exportResults);
+                    Assert.Equal(ExportResult.Success, exportResults[0]);
                 }
                 else if (exporterOptions.ExportProcessorType == ExportProcessorType.Batch)
                 {
                     Assert.True(handle.WaitOne(ExportIntervalMilliseconds * 2));
-                    Assert.Single(delegatingExporter.ExportResults);
-                    Assert.Equal(ExportResult.Success, delegatingExporter.ExportResults[0]);
+                    Assert.Single(exportResults);
+                    Assert.Equal(ExportResult.Success, exportResults[0]);
                 }
             }
 
             if (!forceFlush && exportProcessorType == ExportProcessorType.Simple)
             {
-                Assert.Single(delegatingExporter.ExportResults);
-                Assert.Equal(ExportResult.Success, delegatingExporter.ExportResults[0]);
+                Assert.Single(exportResults);
+                Assert.Equal(ExportResult.Success, exportResults[0]);
             }
         }
 
@@ -155,7 +166,8 @@ public void MetricExportResultIsSuccess(OtlpExportProtocol protocol, string endp
                 Protocol = protocol,
             };
 
-            DelegatingTestExporter<Metric> delegatingExporter = null;
+            DelegatingExporter<Metric> delegatingExporter = null;
+            var exportResults = new List<ExportResult>();
 
             var meterName = "otlp.collector.test";
 
@@ -174,7 +186,16 @@ public void MetricExportResultIsSuccess(OtlpExportProtocol protocol, string endp
                 serviceProvider: null,
                 configureExporterInstance: otlpExporter =>
                 {
-                    delegatingExporter = new DelegatingTestExporter<Metric>(otlpExporter, onExportAction: () => handle.Set());
+                    delegatingExporter = new DelegatingExporter<Metric>
+                    {
+                        OnExportFunc = (batch) =>
+                        {
+                            var result = otlpExporter.Export(batch);
+                            exportResults.Add(result);
+                            handle.Set();
+                            return result;
+                        },
+                    };
                     return delegatingExporter;
                 });
 
@@ -191,21 +212,21 @@ public void MetricExportResultIsSuccess(OtlpExportProtocol protocol, string endp
                 if (forceFlush)
                 {
                     Assert.True(meterProvider.ForceFlush());
-                    Assert.Single(delegatingExporter.ExportResults);
-                    Assert.Equal(ExportResult.Success, delegatingExporter.ExportResults[0]);
+                    Assert.Single(exportResults);
+                    Assert.Equal(ExportResult.Success, exportResults[0]);
                 }
                 else if (!useManualExport)
                 {
                     Assert.True(handle.WaitOne(ExportIntervalMilliseconds * 2));
-                    Assert.Single(delegatingExporter.ExportResults);
-                    Assert.Equal(ExportResult.Success, delegatingExporter.ExportResults[0]);
+                    Assert.Single(exportResults);
+                    Assert.Equal(ExportResult.Success, exportResults[0]);
                 }
             }
 
             if (!forceFlush && useManualExport)
             {
-                Assert.Single(delegatingExporter.ExportResults);
-                Assert.Equal(ExportResult.Success, delegatingExporter.ExportResults[0]);
+                Assert.Single(exportResults);
+                Assert.Equal(ExportResult.Success, exportResults[0]);
             }
         }
 
diff --git a/test/OpenTelemetry.Exporter.OpenTelemetryProtocol.Tests/OpenTelemetry.Exporter.OpenTelemetryProtocol.Tests.csproj b/test/OpenTelemetry.Exporter.OpenTelemetryProtocol.Tests/OpenTelemetry.Exporter.OpenTelemetryProtocol.Tests.csproj
index 2ddffb5be2..271f7649e8 100644
--- a/test/OpenTelemetry.Exporter.OpenTelemetryProtocol.Tests/OpenTelemetry.Exporter.OpenTelemetryProtocol.Tests.csproj
+++ b/test/OpenTelemetry.Exporter.OpenTelemetryProtocol.Tests/OpenTelemetry.Exporter.OpenTelemetryProtocol.Tests.csproj
@@ -27,7 +27,7 @@
   </ItemGroup>
 
   <ItemGroup>
-    <Compile Include="$(RepoRoot)\test\OpenTelemetry.Tests\Shared\DelegatingTestExporter.cs" Link="Includes\DelegatingTestExporter.cs" />
+    <Compile Include="$(RepoRoot)\test\OpenTelemetry.Tests\Shared\DelegatingExporter.cs" Link="Includes\DelegatingExporter.cs" />
     <Compile Include="$(RepoRoot)\test\OpenTelemetry.Tests\Shared\EventSourceTestHelper.cs" Link="Includes\EventSourceTestHelper.cs" />
     <Compile Include="$(RepoRoot)\test\OpenTelemetry.Tests\Shared\SkipUnlessEnvVarFoundTheoryAttribute.cs" Link="Includes\SkipUnlessEnvVarFoundTheoryAttribute.cs" />
     <Compile Include="$(RepoRoot)\test\OpenTelemetry.Tests\Shared\SkipUnlessEnvVarFoundFactAttribute.cs" Link="Includes\SkipUnlessEnvVarFoundFactAttribute.cs" />
diff --git a/test/OpenTelemetry.Tests/Shared/DelegatingExporter.cs b/test/OpenTelemetry.Tests/Shared/DelegatingExporter.cs
new file mode 100644
index 0000000000..13cef6924d
--- /dev/null
+++ b/test/OpenTelemetry.Tests/Shared/DelegatingExporter.cs
@@ -0,0 +1,27 @@
+// <copyright file="DelegatingExporter.cs" company="OpenTelemetry Authors">
+// Copyright The OpenTelemetry Authors
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+// </copyright>
+
+using System;
+
+namespace OpenTelemetry.Tests;
+
+internal sealed class DelegatingExporter<T> : BaseExporter<T>
+    where T : class
+{
+    public Func<Batch<T>, ExportResult> OnExportFunc { get; set; } = (batch) => default;
+
+    public override ExportResult Export(in Batch<T> batch) => this.OnExportFunc(batch);
+}
diff --git a/test/OpenTelemetry.Tests/Shared/DelegatingTestExporter.cs b/test/OpenTelemetry.Tests/Shared/DelegatingTestExporter.cs
deleted file mode 100644
index 1080036910..0000000000
--- a/test/OpenTelemetry.Tests/Shared/DelegatingTestExporter.cs
+++ /dev/null
@@ -1,46 +0,0 @@
-// <copyright file="DelegatingTestExporter.cs" company="OpenTelemetry Authors">
-// Copyright The OpenTelemetry Authors
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-//     http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-// </copyright>
-
-using System;
-using System.Collections.Generic;
-
-namespace OpenTelemetry.Tests
-{
-    public class DelegatingTestExporter<T> : BaseExporter<T>
-        where T : class
-    {
-        private readonly BaseExporter<T> exporter;
-        private readonly Action onExportAction;
-
-        public DelegatingTestExporter(
-            BaseExporter<T> exporter,
-            Action onExportAction = null)
-        {
-            this.exporter = exporter;
-            this.onExportAction = onExportAction;
-        }
-
-        public List<ExportResult> ExportResults { get; } = new();
-
-        public override ExportResult Export(in Batch<T> batch)
-        {
-            var result = this.exporter.Export(batch);
-            this.ExportResults.Add(result);
-            this.onExportAction?.Invoke();
-            return result;
-        }
-    }
-}