flatten-array: update tests to v1.1.0 (exercism#1046)

* flatten-array: update tests to v1.1.0

Author: AiryShift

exercises/flatten-array/flatten_array_test.py

@@ -3,35 +3,42 @@
 from flatten_array import flatten
 
 
+# Tests adapted from `problem-specifications//canonical-data.json` @ v1.1.0
+
 class FlattenArrayTests(unittest.TestCase):
 
     def test_no_nesting(self):
         self.assertEqual(flatten([0, 1, 2]), [0, 1, 2])
 
-    def test_one_level_nesting(self):
-        self.assertEqual(flatten([0, [1], 2]), [0, 1, 2])
-
-    def test_two_level_nesting(self):
-        self.assertEqual(flatten([0, [1, [2, 3]], [4]]), [0, 1, 2, 3, 4])
-
-    def test_empty_nested_lists(self):
-        self.assertEqual(flatten([[()]]), [])
+    def test_flatten_integers(self):
+        inputs = [1, [2, 3, 4, 5, 6, 7], 8]
+        expected = [1, 2, 3, 4, 5, 6, 7, 8]
+        self.assertEqual(flatten(inputs), expected)
 
-    def test_with_none_values(self):
-        inputs = [0, 2, [[2, 3], 8, [[100]], None, [[None]]], -2]
-        expected = [0, 2, 2, 3, 8, 100, -2]
+    def test_five_level_nesting(self):
+        inputs = [0, 2, [[2, 3], 8, 100, 4, [[[50]]]], -2]
+        expected = [0, 2, 2, 3, 8, 100, 4, 50, -2]
         self.assertEqual(flatten(inputs), expected)
 
     def test_six_level_nesting(self):
         inputs = [1, [2, [[3]], [4, [[5]]], 6, 7], 8]
         expected = [1, 2, 3, 4, 5, 6, 7, 8]
         self.assertEqual(flatten(inputs), expected)
 
+    def test_with_none_values(self):
+        inputs = [0, 2, [[2, 3], 8, [[100]], None, [[None]]], -2]
+        expected = [0, 2, 2, 3, 8, 100, -2]
+        self.assertEqual(flatten(inputs), expected)
+
     def test_all_values_are_none(self):
         inputs = [None, [[[None]]], None, None, [[None, None], None], None]
         expected = []
         self.assertEqual(flatten(inputs), expected)
 
+    # Additional tests for this track
+    def test_empty_nested_lists(self):
+        self.assertEqual(flatten([[()]]), [])
+
     def test_strings(self):
         self.assertEqual(flatten(['0', ['1', '2']]), ['0', '1', '2'])