fio_test: reorder the fio scripts to write before read

BUG=chromium:994412
TEST=Ran hardware_StorageFioOther

Change-Id: I7d023ab09eae9b509268bc379b9131d619849293
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/third_party/autotest/+/1987017
Reviewed-by: Gwendal Grignou <gwendal@chromium.org>
Commit-Queue: Alexis Savery <asavery@chromium.org>
Tested-by: Alexis Savery <asavery@chromium.org>
diff --git a/client/cros/storage_tests/fio_test.py b/client/cros/storage_tests/fio_test.py
index f5858c8..a4ad98e 100644
--- a/client/cros/storage_tests/fio_test.py
+++ b/client/cros/storage_tests/fio_test.py
@@ -151,19 +151,21 @@
                 ('surfing', []),
                 ('boot', []),
                 ('login', []),
-                ('seq_read', []),
                 ('seq_write', []),
-                ('16k_read', []),
+                ('seq_read', []),
                 ('16k_write', []),
+                ('16k_read', []),
                 ('1m_stress', []),
             ]
         else:
             # TODO(waihong@): Add more test cases for external storage
             requirements = [
-                ('seq_read', []),
                 ('seq_write', []),
-                ('16k_read', []),
+                ('seq_read', []),
                 ('16k_write', []),
+                ('16k_read', []),
+                ('4k_write', []),
+                ('4k_read', []),
                 ('1m_stress', []),
             ]