tests: add case for multiple semis

Author: dswij

tests/ui/needless_return.fixed

@@ -31,6 +31,16 @@ fn test_no_semicolon() -> bool {
     true
 }
 
+#[rustfmt::skip]
+fn test_multiple_semicolon() -> bool {
+    true
+}
+
+#[rustfmt::skip]
+fn test_multiple_semicolon_with_spaces() -> bool {
+    true
+}
+
 fn test_if_block() -> bool {
     if true {
         true

tests/ui/needless_return.rs

@@ -31,6 +31,16 @@ fn test_no_semicolon() -> bool {
     return true;
 }
 
+#[rustfmt::skip]
+fn test_multiple_semicolon() -> bool {
+    return true;;;
+}
+
+#[rustfmt::skip]
+fn test_multiple_semicolon_with_spaces() -> bool {
+    return true;; ; ;
+}
+
 fn test_if_block() -> bool {
     if true {
         return true;