fix: Fix completions not always working in for-loop patterns

crates/ide_completion/src/tests/item.rs

@@ -76,8 +76,14 @@ fn after_target_name_in_impl() {
             kw for
         "#]],
     );
-    // FIXME: This should emit `kw where`
-    check(r"impl Trait for Type $0", expect![[r#""#]]);
+    // FIXME: This should not emit `kw for`
+    check(
+        r"impl Trait for Type $0",
+        expect![[r#"
+        kw where
+        kw for
+    "#]],
+    );
 }
 
 #[test]

crates/ide_completion/src/tests/pattern.rs

@@ -92,6 +92,16 @@ fn quux() {
 "#,
         expect![[r#""#]],
     );
+    check_empty(
+        r#"
+fn foo() {
+    for &$0 in () {}
+}
+"#,
+        expect![[r#"
+            kw mut
+        "#]],
+    );
 }
 
 #[test]