replaceOrFail
Asserts that the receiver string changes after calling String.replace with oldValue and replacement.
Return
the new string after replacement
Parameters
oldValue
the old value to be replaced
replacement
the new value to replace the old value
Throws
if the string does not change after replacement
Asserts that the receiver string changes after calling String.replace with regex and replacement.
Return
the new string after replacement
Parameters
regex
the regular expression to be replaced
replacement
the new value to replace the matched regular expression
Throws
if the string does not change after replacement