Add BookBobTest file and add test function template

src/test/java/BookBob/BookBobTest.java

@@ -0,0 +1,29 @@
+package BookBob;
+
+import org.junit.jupiter.api.Test;
+
+import static org.junit.jupiter.api.Assertions.assertTrue;
+
+public class BookBobTest {
+
+    @Test
+    void help() {
+
+    }
+
+    @Test
+    void add() {
+    }
+
+    @Test
+    void list() {
+    }
+
+    @Test
+    void delete() {
+    }
+
+    @Test
+    void exit() {
+    }
+}