diff --git a/src/core/server/saved_objects/migrationsv2/integration_tests/batch_size_bytes.test.ts b/src/core/server/saved_objects/migrationsv2/integration_tests/batch_size_bytes.test.ts
index e96aeb6a93b659..015c1047315520 100644
--- a/src/core/server/saved_objects/migrationsv2/integration_tests/batch_size_bytes.test.ts
+++ b/src/core/server/saved_objects/migrationsv2/integration_tests/batch_size_bytes.test.ts
@@ -43,7 +43,7 @@ describe('migration v2', () => {
         es: {
           license: 'basic',
           dataArchive: Path.join(__dirname, 'archives', '7.14.0_xpack_sample_saved_objects.zip'),
-          esArgs: ['http.max_content_length=1715275b'],
+          esArgs: ['http.max_content_length=1715276b'],
         },
       },
     }));
@@ -61,13 +61,13 @@ describe('migration v2', () => {
   });
 
   it('completes the migration even when a full batch would exceed ES http.max_content_length', async () => {
-    root = createRoot({ maxBatchSizeBytes: 1715275 });
+    root = createRoot({ maxBatchSizeBytes: 1715276 });
     esServer = await startES();
     await root.preboot();
     await root.setup();
     await expect(root.start()).resolves.toBeTruthy();
 
-    await new Promise((resolve) => setTimeout(resolve, 1000));
+    await new Promise((resolve) => setTimeout(resolve, 5000));
 
     const esClient: ElasticsearchClient = esServer.es.getClient();
     const migratedIndexResponse = await esClient.count({
@@ -88,7 +88,7 @@ describe('migration v2', () => {
     await root.preboot();
     await root.setup();
     await expect(root.start()).rejects.toMatchInlineSnapshot(
-      `[Error: Unable to complete saved object migrations for the [.kibana] index: The document with _id "canvas-workpad-template:workpad-template-061d7868-2b4e-4dc8-8bf7-3772b52926e5" is 1715275 bytes which exceeds the configured maximum batch size of 1015275 bytes. To proceed, please increase the 'migrations.maxBatchSizeBytes' Kibana configuration option and ensure that the Elasticsearch 'http.max_content_length' configuration option is set to an equal or larger value.]`
+      `[Error: Unable to complete saved object migrations for the [.kibana] index: The document with _id "canvas-workpad-template:workpad-template-061d7868-2b4e-4dc8-8bf7-3772b52926e5" is 1715276 bytes which exceeds the configured maximum batch size of 1015275 bytes. To proceed, please increase the 'migrations.maxBatchSizeBytes' Kibana configuration option and ensure that the Elasticsearch 'http.max_content_length' configuration option is set to an equal or larger value.]`
     );
 
     await retryAsync(
@@ -101,7 +101,7 @@ describe('migration v2', () => {
         expect(
           records.find((rec) =>
             rec.message.startsWith(
-              `Unable to complete saved object migrations for the [.kibana] index: The document with _id "canvas-workpad-template:workpad-template-061d7868-2b4e-4dc8-8bf7-3772b52926e5" is 1715275 bytes which exceeds the configured maximum batch size of 1015275 bytes. To proceed, please increase the 'migrations.maxBatchSizeBytes' Kibana configuration option and ensure that the Elasticsearch 'http.max_content_length' configuration option is set to an equal or larger value.`
+              `Unable to complete saved object migrations for the [.kibana] index: The document with _id "canvas-workpad-template:workpad-template-061d7868-2b4e-4dc8-8bf7-3772b52926e5" is 1715276 bytes which exceeds the configured maximum batch size of 1015275 bytes. To proceed, please increase the 'migrations.maxBatchSizeBytes' Kibana configuration option and ensure that the Elasticsearch 'http.max_content_length' configuration option is set to an equal or larger value.`
             )
           )
         ).toBeDefined();
diff --git a/src/core/server/saved_objects/migrationsv2/integration_tests/batch_size_bytes_exceeds_es_content_length.test.ts b/src/core/server/saved_objects/migrationsv2/integration_tests/batch_size_bytes_exceeds_es_content_length.test.ts
index 192321227d4ae1..4f456b0bc741f8 100644
--- a/src/core/server/saved_objects/migrationsv2/integration_tests/batch_size_bytes_exceeds_es_content_length.test.ts
+++ b/src/core/server/saved_objects/migrationsv2/integration_tests/batch_size_bytes_exceeds_es_content_length.test.ts
@@ -54,7 +54,7 @@ describe('migration v2', () => {
   });
 
   it('fails with a descriptive message when maxBatchSizeBytes exceeds ES http.max_content_length', async () => {
-    root = createRoot({ maxBatchSizeBytes: 1715275 });
+    root = createRoot({ maxBatchSizeBytes: 1715276 });
     esServer = await startES();
     await root.preboot();
     await root.setup();