[IR] update testdata: print else -> ...

compiler/testData/ir/irText/expressions/whenUnusedExpression.kt.txt

@@ -5,11 +5,11 @@ fun test(b: Boolean, i: Int) {
         val tmp0_subject: Int = i
         when {
           EQEQ(arg0 = tmp0_subject, arg1 = 0) -> 1 /*~> Unit */
-          true -> null /*~> Unit */
+          else -> null /*~> Unit */
         }
       }
     }
-    true -> null /*~> Unit */
+    else -> null /*~> Unit */
   }
 }