Added empty Test Class for SystemOut

src/SystemOut.java

@@ -0,0 +1,7 @@
+public class SystemOut {
+
+
+    public class SystemOut{
+
+    }
+}

test/SystemOutTest.java

@@ -0,0 +1,5 @@
+import static org.junit.jupiter.api.Assertions.*;
+
+class SystemOutTest {
+
+}