migrate 77 to junit5

Author: fishercoder1534

Diff for: src/test/java/com/fishercoder/_77Test.java

@@ -2,15 +2,15 @@
 
 import com.fishercoder.common.utils.CommonUtils;
 import com.fishercoder.solutions._77;
-import org.junit.BeforeClass;
-import org.junit.Test;
+import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.api.Test;
 
 public class _77Test {
     private static _77.Solution1 solution1;
     private static _77.Solution2 solution2;
 
-    @BeforeClass
-    public static void setup() {
+    @BeforeEach
+    public void setup() {
         solution1 = new _77.Solution1();
         solution2 = new _77.Solution2();
     }