assertMissing method
Asserts nothing exists at any of paths.
Implementation
void assertMissing(Object paths) {
for (final String path in _paths(paths)) {
final String normalized = normalizeDiskPath(path);
expect(
memory.fileExistsSync(normalized) ||
(normalized.isNotEmpty && memory.directoryExistsSync(normalized)),
isFalse,
reason:
'Found unexpected file or directory at path [$path] on disk [$name].',
);
}
}