Method expect_compilation_err

std/src/testutils.rs:880–883

Expects the invocation to have erroneously terminated with the exact `message` during compilation. If not called, defaults to expecting that execution terminated due to EOF. This or `expect_err` can only be called once.

(mut self, message: S)

    /// If not called, defaults to expecting that execution terminated due to EOF.  This or
    /// `expect_err` can only be called once.
    pub fn expect_compilation_err<S: Into<String>>(mut self, message: S) -> Self {
        self.exp_result = Err(message.into());
        self
    }

    /// Expects the invocation to have erroneously terminated with the exact `message`.
    ///