Fixed incorrect failure string

Author: arnavb

tests/test_all_solutions.py

@@ -76,7 +76,7 @@ def test_all_solutions(directory_name, compiler_name, expected_solutions):
  print(f"Result: {color_string(colors.OKGREEN, 'SUCCESS')}")
  return 0
  else:
- print(f"Result: {color_string(colors.FAIL, 'SUCCESS')}")
+ print(f"Result: {color_string(colors.FAIL, 'FAILURE')}")
  return 1