diff --git a/alfa-service/src/test/java/de/ozgcloud/alfa/common/file/OzgFileTestFactory.java b/alfa-service/src/test/java/de/ozgcloud/alfa/common/file/OzgFileTestFactory.java
index aa59629aea36fc530a319b672521f761da816c6b..1e5d1935bea59eb2d158819fc19846d45ef098ad 100644
--- a/alfa-service/src/test/java/de/ozgcloud/alfa/common/file/OzgFileTestFactory.java
+++ b/alfa-service/src/test/java/de/ozgcloud/alfa/common/file/OzgFileTestFactory.java
@@ -30,7 +30,8 @@ import de.ozgcloud.alfa.common.binaryfile.FileId;
 
 public class OzgFileTestFactory {
 
-	public static final FileId ID = FileId.from(UUID.randomUUID().toString());
+	// See UUIDUtils.UUID_SPLIT_PATTERN
+	public static final FileId ID = FileId.from(UUID.randomUUID().toString().replace("-", ""));
 	public static final String NAME = BinaryFileTestFactory.NAME;
 	public static final long SIZE = BinaryFileTestFactory.SIZE;
 	public static final String CONTENT_TYPE = BinaryFileTestFactory.CONTENT_TYPE;
diff --git a/alfa-xdomea/src/test/java/de/ozgcloud/alfa/export/ExportServiceITCase.java b/alfa-xdomea/src/test/java/de/ozgcloud/alfa/export/ExportServiceITCase.java
new file mode 100644
index 0000000000000000000000000000000000000000..1399edc1887aaa8e1cce8aec34b69a4d3d4637f7
--- /dev/null
+++ b/alfa-xdomea/src/test/java/de/ozgcloud/alfa/export/ExportServiceITCase.java
@@ -0,0 +1,50 @@
+package de.ozgcloud.alfa.export;
+
+import static org.mockito.Mockito.*;
+
+import java.io.ByteArrayOutputStream;
+import java.util.List;
+import java.util.UUID;
+
+import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.api.Test;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.boot.test.mock.mockito.SpyBean;
+
+import de.ozgcloud.alfa.common.file.OzgFile;
+import de.ozgcloud.alfa.common.file.OzgFileTestFactory;
+import de.ozgcloud.alfa.file.ExportFileService;
+import de.ozgcloud.alfa.vorgang.ExportVorgangService;
+import de.ozgcloud.alfa.vorgang.VorgangWithEingang;
+import de.ozgcloud.alfa.vorgang.VorgangWithEingangTestFactory;
+import de.ozgcloud.common.test.ITCase;
+
+@ITCase
+public class ExportServiceITCase {
+
+	private static final String VORGANG_ID = UUID.randomUUID().toString();
+	private static final String FILENAME_ID = UUID.randomUUID().toString();
+
+	private final ByteArrayOutputStream outputStream = new ByteArrayOutputStream();
+	private final VorgangWithEingang vorgangWithEingang = VorgangWithEingangTestFactory.create();
+	private final List<OzgFile> ozgFiles = List.of(OzgFileTestFactory.create());
+
+	@SpyBean
+	private ExportFileService exportFileService;
+	@SpyBean
+	private ExportVorgangService exportVorgangService;
+	@Autowired
+	private ExportService exportService;
+
+	@BeforeEach
+	void setup() {
+		doReturn(vorgangWithEingang).when(exportVorgangService).getVorgang(anyString());
+		doReturn(ozgFiles).when(exportFileService).getAllPdfs(anyString());
+		doNothing().when(exportFileService).writeOzgFile(any(), any());
+	}
+
+	@Test
+	void shouldNotThrowException() {
+		exportService.writeExport(VORGANG_ID, FILENAME_ID, outputStream);
+	}
+}