Put back running tests

Author: JooHyukKim

pom.xml

@@ -183,6 +183,12 @@ alternative support for serializing POJOs as XML and deserializing XML as pojos.
           </execution>
         </executions>
       </plugin>
+      <!--  Need to skip known-failing tests for build... -->
+      <plugin>
+          <groupId>org.apache.maven.plugins</groupId>
+          <artifactId>maven-surefire-plugin</artifactId>
+          <version>${version.plugin.surefire}</version>
+        </plugin>
       <!-- 20-Mar-2019, tatu: use Moditect for JDK9+ module info inclusion -->
       <plugin>
 	<groupId>org.moditect</groupId>