Updating test file

Author: jagdish-15

exercises/practice/flatten-array/flatten-array.spec.js

@@ -40,13 +40,21 @@ describe('FlattenArray', () => {
     expect(flatten([1, 2, null])).toEqual([1, 2]);
   });
 
-  xtest('6 level nest list with null values', () => {
+  xtest('consecutive null values at the front of the array are omitted from the final result', () => {
+    expect(flatten([null, null, 3])).toEqual([3]);
+  });
+
+  xtest('consecutive null values in the middle of the array are omitted from the final result', () => {
+    expect(flatten([1, null, null, 4])).toEqual([1, 4]);
+  });
+
+  xtest('6 level nested array with null values', () => {
     expect(flatten([0, 2, [[2, 3], 8, [[100]], null, [[null]]], -2])).toEqual([
       0, 2, 2, 3, 8, 100, -2,
     ]);
   });
 
-  xtest('all values in nested list are null', () => {
+  xtest('all values in nested array are null', () => {
     expect(
       flatten([null, [[[null]]], null, null, [[null, null], null], null]),
     ).toEqual([]);