Change lint name to expect_err

Author: b-NC

clippy_lints/src/methods/expect_err.rs

@@ -1,4 +1,4 @@
-use super::EXPECT_ERR;
+use super::ERR_EXPECT;
 use clippy_utils::{diagnostics::span_lint_and_help, meets_msrv, msrvs, ty::is_type_diagnostic_item};
 use rustc_lint::LateContext;
 use rustc_semver::RustcVersion;
@@ -8,7 +8,7 @@ pub(super) fn check(cx: &LateContext<'_>, expr: &rustc_hir::Expr<'_>, recv: &rus
     if is_type_diagnostic_item(cx, cx.typeck_results().expr_ty(recv), sym::Result) & meets_msrv(msrv, &msrvs::EXPECT_ERR) {
         span_lint_and_help(
             cx,
-            EXPECT_ERR,
+            ERR_EXPECT,
             expr.span,
             "called `.err().expect()` on a `Result` value",
             None,

clippy_lints/src/methods/mod.rs

@@ -370,7 +370,7 @@ declare_clippy_lint! {
     /// ### Why is this bad?
     /// Because .expect_err() can be called directly.
     #[clippy::version = "1.61.0"]
-    pub EXPECT_ERR,
+    pub ERR_EXPECT,
     style,
     r#"using `.err().expect("")` when `.expect_err("")` can be used"#
 }
@@ -2178,7 +2178,7 @@ impl_lint_pass!(Methods => [
     NEEDLESS_SPLITN,
     UNNECESSARY_TO_OWNED,
     UNNECESSARY_JOIN,
-    EXPECT_ERR,
+    ERR_EXPECT,
 ]);
 
 /// Extracts a method call name, args, and `Span` of the method name.

tests/ui/expect_err.stderr

@@ -4,7 +4,7 @@ error: called `.err().expect()` on a `Result` value
 LL |     x.err().expect("Testing expect_err");
    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
    |
-   = note: `-D clippy::expect-err` implied by `-D warnings`
+   = note: `-D clippy::err-expect` implied by `-D warnings`
    = help: `.expect_err()` can be called instead
 
 error: aborting due to previous error