Switch to expect_test from crates.io

crates/ide/src/diagnostics.rs

@@ -214,7 +214,7 @@ fn check_struct_shorthand_initialization(
 
 #[cfg(test)]
 mod tests {
-    use expect::{expect, Expect};
+    use expect_test::{expect, Expect};
     use stdx::trim_indent;
     use test_utils::assert_eq_text;