test(algorithms, greedy, largest-palindromic-number): additional test cases

Author: BrianLusina

algorithms/greedy/largest_palindromic_number/test_largest_palindromic_number.py

@@ -11,6 +11,8 @@
     ("111222333", "3213123"),
     ("000000", "0"),
     ("123456789123456789", "987654321123456789"),
+    ("444947137", "7449447"),
+    ("00009", "9"),
 ]