                 name: 'volume001.nii.gz'
                 average_intensity: 2.4
               ]
-            registrations: [
-              _cls: 'Registration'
-              protocol: 'rp1'
-              time_series:
-                name: 'reg_01'
-                image: 'reg_01_ts.nii.gz'
-              volumes:
-                name: 'reg_01'
-                images:  [
-                  name: 'volume001.nii.gz'
-                  average_intensity: 3.1
-                ]
-            ]
+            registrations: []
           ]
 
     describe 'Unit Testing the Session Service', ->
       Session = null
+      subject = mock.subject
       session = null
 
       beforeEach ->


              it 'should have a modeling parameter result overlay', ->
                expect(overlay,
                       "Modeling parameter result does not reference an" +
                       " overlay").to.exist
                expect(overlay,
                       "Modeling parameter result overlay is not the" +
                       " label map").to.equal(paramResult.labelMap)

              it 'should reference the parent modeling parameter result', ->
                expect(overlay.parameterResult,
                       "Overlay does not reference the parent modeling" +
                       " parameter result").to.exist
                expect(overlay.parameterResult,
                       "Overlay parameter result reference is incorrect")

                  .to.equal(paramResult)

      describe 'Detail', ->

          expect(session.scans, "Session is missing the scans")
            .to.exist.and.not.be.empty

