Mavan install 的时候跳过测试

<plugin>
                <groupId>org.apache.maven.plugins</groupId>
                <artifactId>maven-surefire-plugin</artifactId>
                <version>2.7.2</version>
                <configuration>
                    <forkMode>once</forkMode>
                    <skipTests>true</skipTests>
                    <argLine>-Dfile.encoding=UTF-8</argLine>
                </configuration>
            </plugin>