rot_3d implementation, tests

test/test_matrixmania/test_rot.py

@@ -0,0 +1,13 @@
+from src.matrixmania.compute import *
+
+def test_matmul():
+    a = [[1, 2, 3], [4, 5, 6]]
+    b = [[7, 8], [10, 11], [12, 13]]
+
+    expected_value = []
+    expected_type = Matrix
+
+    result = matmul(a,b)
+
+    assert result == expected_value
+    assert isinstance(result, expected_type)