add a test for 209

Author: fishercoder1534

src/test/java/com/fishercoder/_209Test.java

@@ -0,0 +1,24 @@
+package com.fishercoder;
+
+import com.fishercoder.solutions._209;
+import org.junit.BeforeClass;
+import org.junit.Test;
+
+import static junit.framework.Assert.assertEquals;
+
+public class _209Test {
+    private static _209.Solution1 solution1;
+    private static int[] nums;
+
+    @BeforeClass
+    public static void setup() {
+        solution1 = new _209.Solution1();
+    }
+
+    @Test
+    public void test1() {
+        nums = new int[]{2, 3, 1, 2, 4, 3};
+        assertEquals(2, solution1.minSubArrayLen(7, nums));
+    }
+
+}