migrate 67 to junit5

src/test/java/com/fishercoder/_67Test.java

@@ -1,21 +1,21 @@
 package com.fishercoder;
 
 import com.fishercoder.solutions._67;
-import org.junit.BeforeClass;
-import org.junit.Test;
+import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.api.Test;
 
-import static junit.framework.Assert.assertEquals;
+import static org.junit.jupiter.api.Assertions.assertEquals;
 
 public class _67Test {
-  private static _67.Solution1 solution1;
+    private static _67.Solution1 solution1;
 
-  @BeforeClass
-  public static void setup() {
-    solution1 = new _67.Solution1();
-  }
+    @BeforeEach
+    public void setup() {
+        solution1 = new _67.Solution1();
+    }
 
-  @Test
-  public void test1() {
-    assertEquals("100", solution1.addBinary("11", "1"));
-  }
+    @Test
+    public void test1() {
+        assertEquals("100", solution1.addBinary("11", "1"));
+    }
 }