Update: flatten-array add additional test cases

exercises/practice/flatten-array/.meta/tests.toml

@@ -30,6 +30,12 @@ description = "6 level nesting"
 [0705a8e5-dc86-4cec-8909-150c5e54fa9c]
 description = "null values are omitted from the final result"
 
+[c6cf26de-8ccd-4410-84bd-b9efd88fd2bc]
+description = "consecutive null values at the front of the list are omitted from the final result"
+
+[382c5242-587e-4577-b8ce-a5fb51e385a1]
+description = "consecutive null values in the middle of the list are omitted from the final result"
+
 [ef1d4790-1b1e-4939-a179-51ace0829dbd]
 description = "6 level nest list with null values"
 

exercises/practice/flatten-array/test/flatten_array_test.exs

@@ -43,6 +43,18 @@ defmodule FlattenArrayTest do
              [1, 2]
   end
 
+  @tag :pending
+  test "consecutive nil values at the front of the list are omitted from the final result" do
+    assert FlattenArray.flatten([nil, nil, 3]) ==
+             [3]
+  end
+
+  @tag :pending
+  test "consecutive nil values in the middle of the list are omitted from the final result" do
+    assert FlattenArray.flatten([1, nil, nil, 4]) ==
+             [1, 4]
+  end
+
   @tag :pending
   test "6 level nesting with nil values" do
     assert FlattenArray.flatten([0, 2, [[2, 3], 8, [[100]], nil, [[nil]]], -2]) ==