Resolve "Display datasets with cone search enabled"

Closes #125 (closed)

src/app/metamodel/selectors/dataset.selector.spec.ts

 import * as datasetSelector from './dataset.selector';
 import * as fromDataset from '../reducers/dataset.reducer';
+import { Dataset } from '../model';
+import { DATASET_LIST } from '../../../settings/test-data';
 
 describe('[Metamodel] Dataset selector', () => {
     it('should get datasetSearchMetaIsLoading', () => {
@@ -21,6 +23,20 @@ describe('[Metamodel] Dataset selector', () => {
         const state = { metamodel: { dataset: { ...fromDataset.initialState }}};
         expect(datasetSelector.getDatasetList(state).length).toEqual(0);
     });
+
+    it('should get datasetList with cone search enabled', () => {
+        const state = {
+            metamodel: {
+                dataset: {
+                    ...fromDataset.initialState,
+                    datasetList: DATASET_LIST
+                }
+            }
+        };
+        const datasetWithConeSearchList: Dataset[] = datasetSelector.getDatasetWithConeSearchList(state);
+        expect(datasetWithConeSearchList.length).toEqual(1);
+        expect(datasetWithConeSearchList[0].name).toEqual('cat_1');
+    });
    
     it('should get datasetFamilyList', () => {
         const state = { metamodel: { dataset: { ...fromDataset.initialState }}};