Fix eslint issues

Author: remes2000

src/algorithms/search/interpolation_search.js

@@ -13,7 +13,7 @@ const interpolationsearch = (sortedArray, element) => {
     const posDiff = right - left;
     const elementDiff = element - sortedArray[left];
 
-    const pos = left + (posDiff * elementDiff / valDiff || 0);
+    const pos = left + ((posDiff * elementDiff) / valDiff || 0);
 
     if (sortedArray[pos] === element) {
       return pos;

test/algorithms/search/testInterpolationSearch.js

@@ -49,7 +49,6 @@ describe('Interpolation Search', () => {
 
   it('should check for edge case where array contains all duplicate values', () => {
     const duplicateArray = [42, 42, 42, 42];
-  
     assert.equal(interpolationsearch(duplicateArray, 6), -1);
     assert.equal(interpolationsearch(duplicateArray, 42), 0);
   });