add tests

cqrs/src/test/resources/hibernate.cfg.xml

@@ -0,0 +1,15 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!DOCTYPE hibernate-configuration SYSTEM
+"http://www.hibernate.org/dtd/hibernate-configuration-3.0.dtd">
+
+<hibernate-configuration>
+    <session-factory>
+        <property name="dialect">org.hibernate.dialect.H2Dialect</property>
+        <property name="connection.driver_class">org.h2.Driver</property>
+        <property name="connection.url">jdbc:h2:mem:test</property>
+        <property name="connection.username">sa</property>
+        <property name="hbm2ddl.auto">create</property>
+        <mapping class="com.iluwatar.cqrs.domain.model.Author" />
+        <mapping class="com.iluwatar.cqrs.domain.model.Book" />
+    </session-factory>
+</hibernate-configuration>

cqrs/src/test/resources/logback.xml

@@ -0,0 +1,13 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<configuration>
+    <appender name="STDOUT" class="ch.qos.logback.core.ConsoleAppender">
+        <encoder>
+            <pattern>%d{HH:mm:ss.SSS} [%thread] %-5level %logger{36} - %msg%n
+            </pattern>
+        </encoder>
+    </appender>
+
+    <root level="info">
+        <appender-ref ref="STDOUT" />
+    </root>
+</configuration>