Add Maven Failsafe Plugin for integration testing

Author: JohnNiang

pom.xml

@@ -293,6 +293,25 @@
                 </configuration>
             </plugin>
 
+            <plugin>
+              <groupId>org.apache.maven.plugins</groupId>
+              <artifactId>maven-failsafe-plugin</artifactId>
+              <version>3.5.4</version>
+              <configuration>
+                <includes>
+                  <include>**/*IntegrationTests.java</include>
+                </includes>
+              </configuration>
+              <executions>
+                <execution>
+                  <goals>
+                    <goal>integration-test</goal>
+                    <goal>verify</goal>
+                  </goals>
+                </execution>
+              </executions>
+            </plugin>
+
             <plugin>
                 <groupId>org.codehaus.mojo</groupId>
                 <artifactId>flatten-maven-plugin</artifactId>