Ignore nanoseconds when comparing times in tests

test/unit/assignment/exporter_test.rb

@@ -34,9 +34,9 @@ class Assignment::ExporterTest < ActiveSupport::TestCase
       data         = @exporter.export
       comment_data = data[:submissions].first[:comments].first
 
-      assert_equal comment.updated_at,   comment_data[:updated_at]
-      assert_equal comment.user.name,    comment_data[:user]
-      assert_equal comment.comment_text, comment_data[:comment_text]
+      assert_equal comment.updated_at.to_i, comment_data[:updated_at].to_i
+      assert_equal comment.user.name,       comment_data[:user]
+      assert_equal comment.comment_text,    comment_data[:comment_text]
     end
 
     test "exports activity details" do
@@ -46,9 +46,9 @@ class Assignment::ExporterTest < ActiveSupport::TestCase
       data          = @exporter.export
       activity_data = data[:submissions].first[:activities].first
 
-      assert_equal activity.updated_at,  activity_data[:updated_at]
-      assert_equal activity.user.name,   activity_data[:user]
-      assert_equal activity.description, activity_data[:description]
+      assert_equal activity.updated_at.to_i, activity_data[:updated_at].to_i
+      assert_equal activity.user.name,       activity_data[:user]
+      assert_equal activity.description,     activity_data[:description]
     end
   end
 end

test/unit/assignment/submission_test.rb

@@ -43,8 +43,8 @@ class Assignment::SubmissionTest < ActiveSupport::TestCase
 
       activity = @submission.activities.last
       assert_equal "committed: commit message", activity.description
-      assert_equal "commit id-commit message", activity.context
-      assert_equal @now, activity.created_at
+      assert_equal "commit id-commit message",  activity.context
+      assert_equal @now.to_i,                   activity.created_at.to_i
     end
 
   end