util.jsonpointer: Improve tests
Result of mutation testing
Remaining mutants are mostly relating to the math.type() fallback.
Another case being that array[#array+1] == array[#array+2] and thus
doesn't matter.
root = true
[*]
end_of_line = lf
indent_style = tab
insert_final_newline = true
trim_trailing_whitespace = true
[CHANGES]
indent_size = 4
indent_style = space
[configure]
indent_size = 3
indent_style = space
[**.xml]
indent_size = 2
indent_style = space