Add test for search-by-Ensembl-ID, remove redundant test

test/online/related-genes.test.js

@@ -269,20 +269,16 @@ describe('Ideogram related genes kit', function() {
     const ideogram = Ideogram.initRelatedGenes(config);
   });
 
-  it('handles gene with no interacting genes and no paralogs', done => {
+  it('handles search by Ensembl ID', done => {
 
     async function callback() {
       const ideo = this;
 
-      await ideogram.plotRelatedGenes('BRCA1');
+      // Ensembl ID for gene "LPL"
+      await ideo.plotRelatedGenes('ENSG00000175445');
 
-      const related = ideo.getRelatedGenesByType();
-
-      const numParalogs = related.paralogous.length;
-      const numInteractingGenes = related.interacting.length;
-
-      assert.equal(numInteractingGenes, 0);
-      assert.equal(numParalogs, 0);
+      const chr10ParalogNeighborhoods = ideo.annotsOther['9'].annots;
+      assert.equal(chr10ParalogNeighborhoods.length, 1);
 
       done();
     }
@@ -292,7 +288,7 @@ describe('Ideogram related genes kit', function() {
     }
 
     var config = {
-      organism: 'Macaca mulatta', // Also tests standard, non-slugged name
+      organism: 'Homo sapiens', // Also tests standard, non-slugged name
       onLoad: callback,
       dataDir: '/dist/data/bands/native/',
       cacheDir: '/dist/data/cache/',
@@ -303,6 +299,7 @@ describe('Ideogram related genes kit', function() {
   });
 
   it('handles gene with no interacting genes and no paralogs', done => {
+
     async function callback() {
       const ideo = this;
 
@@ -324,16 +321,16 @@ describe('Ideogram related genes kit', function() {
     }
 
     var config = {
-      organism: 'Macaca mulatta',
+      organism: 'Macaca mulatta', // Also tests standard, non-slugged name
       onLoad: callback,
       dataDir: '/dist/data/bands/native/',
+      cacheDir: '/dist/data/cache/',
       onClickAnnot
     };
 
     const ideogram = Ideogram.initRelatedGenes(config);
   });
 
-
   it('handles gene that is unknown', done => {
 
     async function callback() {