Fix test

Author: mo8it

tests/testsuite/cfg.rs

@@ -944,10 +944,16 @@ fn cfg_bad_version3() {
     p.cargo("check")
         .with_status(101)
         .with_stderr_data(str![[r#"
-[ERROR] failed to parse manifest at `[ROOT]/foo/Cargo.toml`
-
-Caused by:
-  failed to parse `version = "1.87.0"` as a cfg expression: expected `(`, found `=`
+[LOCKING] 1 package to latest compatible version
+[CHECKING] foo v0.0.0 ([ROOT]/foo)
+error[E0463]: can't find crate for `b`
+ --> src/lib.rs:1:1
+  |
+1 | extern crate b;
+  | ^^^^^^^^^^^^^^^ can't find crate
+
+For more information about this error, try `rustc --explain E0463`.
+[ERROR] could not compile `foo` (lib) due to 1 previous error
 
 "#]])
         .run();