Add selection test case

Author: A4-Tacks

crates/ide-assists/src/handlers/move_guard.rs

@@ -432,6 +432,33 @@ fn main() {
         _ => true
     }
 }
+"#,
+        );
+
+        check_assist(
+            move_guard_to_arm_body,
+            r#"
+fn main() {
+    match 92 {
+        x @ 0..30 $0if x % 3 == 0 => false,
+        x @ 0..30 $0if x % 2 == 0 => true,
+        x @ 0..30 => false,
+        _ => true
+    }
+}
+"#,
+            r#"
+fn main() {
+    match 92 {
+        x @ 0..30 => if x % 3 == 0 {
+            false
+        } else if x % 2 == 0 {
+            true
+        },
+        x @ 0..30 => false,
+        _ => true
+    }
+}
 "#,
         );
     }