Add H2 test cases

mybatis-plus/pom.xml

@@ -53,6 +53,7 @@
 		<mybatis-ehcache.version>1.1.0</mybatis-ehcache.version>
 		<junit.version>4.12</junit.version>
 		<velocity.version>1.7</velocity.version>
+		<h2.version>1.4.194</h2.version>
 	</properties>
 
 	<dependencies>
@@ -217,6 +218,12 @@
 			<version>${postgresql.version}</version>
 			<scope>test</scope>
 		</dependency>
+		<dependency>
+			<groupId>com.h2database</groupId>
+			<artifactId>h2</artifactId>
+			<version>${h2.version}</version>
+			<scope>test</scope>
+		</dependency>
 		<!-- test end -->
 	</dependencies>
 
@@ -236,6 +243,14 @@
 					</execution>
 				</executions>
 			</plugin>
+			<plugin>
+				<groupId>org.apache.maven.plugins</groupId>
+				<artifactId>maven-compiler-plugin</artifactId>
+				<configuration>
+					<source>1.7</source>
+					<target>1.7</target>
+				</configuration>
+			</plugin>
 		</plugins>
 	</build>
 	<!-- 发版时注释END -->