Put job in with_current_user block

Effect of adding `samples.all?(&:can_edit?)` clause ini editing
constraints.

test/unit/jobs/update_sample_metadata_job_test.rb

@@ -23,16 +23,17 @@ def teardown
   end
 
   test 'Check sample metadata after updating the attribute title' do
-    assert_equal @sample_type.sample_attributes.first.title, 'the_title'
-    @sample_type.sample_attributes.first.update!(title: 'new title')
-    attribute_change_maps = [{id: @sample_type.sample_attributes.first.id, old_title: 'the_title', new_title: 'new title' }]
-    assert_equal @sample_type.sample_attributes.first.title, 'new title'
-    refute_equal @sample_type.sample_attributes.first.title, 'the_title'
-    UpdateSampleMetadataJob.new.perform(@sample_type, attribute_change_maps, @person.user)
-    @sample_type.samples.each do |sample|
-      json_metadata = JSON.parse sample.json_metadata
-      assert json_metadata.keys.include?('new title')
-      refute json_metadata.keys.include?('the_title')
+    User.with_current_user(@person.user) do
+      @sample_type.sample_attributes.first.update!(title: 'new title')
+      attribute_change_maps = [{id: @sample_type.sample_attributes.first.id, old_title: 'the_title', new_title: 'new title' }]
+      assert_equal @sample_type.sample_attributes.first.title, 'new title'
+      refute_equal @sample_type.sample_attributes.first.title, 'the_title'
+      UpdateSampleMetadataJob.new.perform(@sample_type, attribute_change_maps, @person.user)
+      @sample_type.samples.each do |sample|
+        json_metadata = JSON.parse sample.json_metadata
+        assert json_metadata.keys.include?('new title')
+        refute json_metadata.keys.include?('the_title')
+      end
     end
   end
 end