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-rw-r--r--activerecord/test/cases/adapters/postgresql/timestamp_test.rb3
1 files changed, 3 insertions, 0 deletions
diff --git a/activerecord/test/cases/adapters/postgresql/timestamp_test.rb b/activerecord/test/cases/adapters/postgresql/timestamp_test.rb
index e6f721cc5d..dbc69a529c 100644
--- a/activerecord/test/cases/adapters/postgresql/timestamp_test.rb
+++ b/activerecord/test/cases/adapters/postgresql/timestamp_test.rb
@@ -1,7 +1,10 @@
require 'cases/helper'
require 'models/developer'
+require 'models/topic'
class TimestampTest < ActiveRecord::TestCase
+ fixtures :topics
+
def test_group_by_date
keys = Topic.group("date_trunc('month', created_at)").count.keys
assert_operator keys.length, :>, 0