Revert "Delete solutions/tests/test_Remove_Duplicate.py"

This reverts commit 99b9c12.

solutions/tests/test_Remove_Duplicate.py

@@ -0,0 +1,43 @@
+"""
+Test module for Remove Duplicate function.
+
+Created on 2024-01-10
+Author: Safaa Osman
+
+"""
+
+import unittest
+
+from ..Remove_Duplicates import Remove_Duplicates
+
+
+class TestRemoveDuplicates(unittest.TestCase):
+    """Test the Remove_Duplicates function - some tests are buggy!"""
+
+    def test_empty_list(self):
+        """It should return [] for an empty list"""
+        self.assertEqual(Remove_Duplicates([]), [])
+
+    def test_no_duplicates(self):
+        """It should return the same list for list without duplicates"""
+        self.assertEqual(Remove_Duplicates([1, 2, 3]), [1, 2, 3])
+
+    def test_not_list(self):
+        """It should raise AssertionError for non-list input"""
+        with self.assertRaises(AssertionError):
+            Remove_Duplicates("123")
+
+    def test_All_duplicates(self):
+        """It should return the list of one item that duplicates"""
+        self.assertEqual(Remove_Duplicates([1, 1, 1, 1, 1, 1]), [1])
+
+    def test_list_with_duplicates(self):
+        """It should return the list without duplicates"""
+        self.assertEqual(Remove_Duplicates([1, 1, 2, 2, 3, 4]), [1, 2, 3, 4])
+
+    def test_Mix_types_of_elements(self):
+        """It should return the list of elements without duplicates"""
+        self.assertEqual(
+            Remove_Duplicates([1, "Safaa", 3.5, "Safaa", "safaa", 3.5]),
+            [1, "Safaa", 3.5, "safaa"],
+        )