macro_rules! assert_not_contains { ($ACTUAL: expr, $UNEXPECTED: expr) => { ... }; }
A macro to assert that one string is NOT contained within another with a nice error message if they are are.
Usage: assert_not_contains!(actual, unexpected)
assert_not_contains!(actual, unexpected)
Is a macro so test error messages are on the same line as the failure;
Both arguments must be convertable into Strings (Into<String>)
Into
String