X-Git-Url: https://git.arvados.org/arvados.git/blobdiff_plain/3598c3003a7987cca5c0536ba8206ec40c1c3649..cf5af834e8fb31720b459127394f6bf4e2c0158e:/services/api/test/functional/arvados/v1/filters_test.rb

diff --git a/services/api/test/functional/arvados/v1/filters_test.rb b/services/api/test/functional/arvados/v1/filters_test.rb
index 2349993617..9344b0bc75 100644
--- a/services/api/test/functional/arvados/v1/filters_test.rb
+++ b/services/api/test/functional/arvados/v1/filters_test.rb
@@ -72,6 +72,9 @@ class Arvados::V1::FiltersTest < ActionController::TestCase
 
   %w(< > <= >= =).each do |operator|
     test "timestamp #{operator} filters work with nanosecond precision" do
+      # Python clients like Node Manager rely on this exact format.
+      # If you must change this format for some reason, make sure you
+      # coordinate the change with them.
       expect_match = !!operator.index('=')
       mine = act_as_user users(:active) do
         Collection.create!(manifest_text: '')