[LEET-3491] fix unit test

Author: fishercoder1534

src/test/java/com/fishercoder/fourththousand/_3491Test.java

@@ -1,11 +1,11 @@
 package com.fishercoder.fourththousand;
 
+import static org.junit.jupiter.api.Assertions.assertEquals;
+
 import com.fishercoder.solutions.fourththousand._3491;
 import org.junit.jupiter.api.BeforeEach;
 import org.junit.jupiter.api.Test;
 
-import static org.junit.jupiter.api.Assertions.assertEquals;
-
 public class _3491Test {
     private _3491.Solution1 solution1;
 
@@ -16,6 +16,6 @@ public void setup() {
 
     @Test
     public void test1() {
-        assertEquals(true, solution1.phonePrefix(new String[]{"1", "2", "4", "3"}));
+        assertEquals(true, solution1.phonePrefix(new String[] {"1", "2", "4", "3"}));
     }
 }