migrate _50 to junit 5

Author: fishercoder1534

src/test/java/com/fishercoder/_50Test.java

@@ -1,24 +1,24 @@
 package com.fishercoder;
 
 import com.fishercoder.solutions._50;
-import org.junit.BeforeClass;
-import org.junit.Test;
+import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.api.Test;
 
-import static org.junit.Assert.assertEquals;
+import static org.junit.jupiter.api.Assertions.assertEquals;
 
 public class _50Test {
-  private static _50.Solution1 solution1;
-  private static _50.Solution2 solution2;
+    private static _50.Solution1 solution1;
+    private static _50.Solution2 solution2;
 
-  @BeforeClass
-  public static void setup() {
-    solution1 = new _50.Solution1();
-    solution2 = new _50.Solution2();
-  }
+    @BeforeEach
+    public void setup() {
+        solution1 = new _50.Solution1();
+        solution2 = new _50.Solution2();
+    }
 
-  @Test
-  public void test1() {
-    assertEquals(1024.00000, solution1.myPow(2.00000, 10), 0.00001);
-    assertEquals(1024.00000, solution2.myPow(2.00000, 10), 0.00001);
-  }
+    @Test
+    public void test1() {
+        assertEquals(1024.00000, solution1.myPow(2.00000, 10), 0.00001);
+        assertEquals(1024.00000, solution2.myPow(2.00000, 10), 0.00001);
+    }
 }