diff --git a/solutions/tests/triangle_challenge/test_triangle_side.py b/solutions/tests/triangle_challenge/test_triangle_side.py
new file mode 100644
index 000000000..c5f457ae6
--- /dev/null
+++ b/solutions/tests/triangle_challenge/test_triangle_side.py
@@ -0,0 +1,44 @@
+"""
+Unit test for the Triangular number sequence.
+
+This module runs 6 unit tests to verify the code can successfully calculate
+The nth triangle side of the triangular number sequence
+This test will include
+- Basic cases: Test will calculate basic positive correct inputs
+- Defensive cases: Test will include: Inputs that may create an error
+
+Created on 2025-01-06
+Author: Adolfo Fumero
+"""
+
+import unittest
+
+from triangle_challenge.main import triangle_side
+
+
+class TestTriangleSide(unittest.TestCase):
+    """Tests the triangle_side function"""
+
+    def test1(self):
+        """Test valid positive integer input for the 1st number"""
+        self.assertEqual(triangle_side(1), 1)  # First triangular number
+
+    def test2(self):
+        """Test valid positive integer inputs for the 5th number"""
+        self.assertEqual(triangle_side(5), 15)  # 1 + 2 + 3 + 4 + 5 = 15
+
+    def test3(self):
+        """Test valid positive integer inputs for the 10th number"""
+        self.assertEqual(triangle_side(10), 55)  # Sum of first 10 integers
+
+    def test4(self):
+        """Test input of 0."""
+        self.assertEqual(triangle_side(0), "Input must be a positive integer.")
+
+    def test5(self):
+        """Test negative integer input."""
+        self.assertEqual(triangle_side(-5), "Input must be a positive integer.")
+
+    def test6(self):
+        """Test a large input value."""
+        self.assertEqual(triangle_side(100), 5050)  # Sum of first 100 integers
diff --git a/solutions/tests/voting_age/test_check_voting_age.py b/solutions/tests/voting_age/test_check_voting_age.py
new file mode 100644
index 000000000..12d617b1f
--- /dev/null
+++ b/solutions/tests/voting_age/test_check_voting_age.py
@@ -0,0 +1,51 @@
+"""
+Unit test for the Voting age challenge.
+
+This module runs 4 unit tests to verify the code can successfully refer the names back to the list
+and verify their age against the minimum age
+This test will include
+- Basic cases: Test will calculate basic correct name inputs
+- Defensive cases: Test will include: Inputs that may create an error for not being in the list
+or not capitalized properly
+
+Created on 2025-01-06
+Author: Adolfo Fumero
+"""
+
+import unittest
+
+from voting_age.main import check_voting_age
+
+MIN_AGE = 18
+
+participants = {
+    "jackson": {"age": 18},
+    "bob": {"age": 40},
+    "charlotte": {"age": 17},
+    "marley": {"age": 28},
+    "erica": {"age": 6},
+}
+
+
+class TestCheckVotingAge(unittest.TestCase):
+    """Tests the check_voting_age function"""
+
+    def test1(self):
+        """Test if a person exactly at the voting age is eligible."""
+        jackson = participants["jackson"]
+        self.assertTrue(check_voting_age(jackson))
+
+    def test2(self):
+        """Test if a person above the voting age is eligible."""
+        bob = participants["bob"]
+        self.assertTrue(check_voting_age(bob))
+
+    def test3(self):
+        """Test if a person below the voting age is not eligible."""
+        charlotte = participants["charlotte"]
+        self.assertFalse(check_voting_age(charlotte))
+
+    def test4(self):
+        """Test if a person far below the voting age is not eligible."""
+        erica = participants["erica"]
+        self.assertFalse(check_voting_age(erica))