Revert "build: remove diagnose_goma step to stop leaks"

scripts/slave/recipes/chromium.py

Index: scripts/slave/recipes/chromium.py
diff --git a/scripts/slave/recipes/chromium.py b/scripts/slave/recipes/chromium.py
index 07075b5cc6e45ca99e98a07450138e8b4d714b7c..e442d36541b7523ed59c9a89db95efb5e64d88f9 100644
--- a/scripts/slave/recipes/chromium.py
+++ b/scripts/slave/recipes/chromium.py
@@ -759,6 +759,14 @@ def GenTests(api):
   )
 
   yield (
+    api.test('goma_with_diagnose_goma_failure') +
+    api.properties.generic(mastername='chromium.fyi',
+                           buildername='CrWinGoma',
+                           build_data_dir='E:\\chrome-infra-logs') +
+    api.step_data('diagnose_goma', retcode=1)
+  )
+
+  yield (
     api.test('dynamic_gtest_on_builder') +
     api.properties.generic(mastername='chromium.linux',
                            buildername='Linux Builder') +