Is it possible to create a file in a directory? (limited file system access)

[romanusname]

wasm files have limited access to the file system.

I can create a file.
fs::write("test.txt", "context").expect("error");

But I can't create a file in the directory.
fs::write("myDirectory/test.txt", "context").expect("error");

Also I can't create a directory.
fs::create_dir("newDirectory").expect("error");

I get an error - Unable to write file: Os { code: 76, kind: Uncategorized, message: "Capabilities insufficient" }

Is it possible to create a file in a directory?
I need to create many files. I want to group them in a separate directory

[kwonoj]

You asked same q already, #4997 (comment)

This is all you got. We expose current cwd as virtual mounted to allow filesystem access, anything it cannot provide means pluing cannot have those capabilities.