Skip jar generation, skip artifact install and add comments

Author: mshima

hibernate5_2-test/pom.xml

@@ -65,6 +65,30 @@
 	  <scope>test</scope>
 	</dependency>
   </dependencies>
+  <build>
+    <plugins>
+      <plugin>
+        <!-- Don't generate a jar -->
+        <groupId>org.apache.maven.plugins</groupId>
+        <artifactId>maven-jar-plugin</artifactId>
+        <executions>
+          <execution>
+            <id>default-jar</id>
+            <phase/>
+          </execution>
+        </executions>
+      </plugin>
+      <plugin>
+        <!-- No jar to install, skip configuration needs 2.4+ -->
+        <groupId>org.apache.maven.plugins</groupId>
+        <artifactId>maven-install-plugin</artifactId>
+        <version>2.4</version>
+        <configuration>
+          <skip>true</skip>
+        </configuration>
+      </plugin>
+    </plugins>
+  </build>
   <profiles>
     <profile>
       <id>hibernate5_2-test</id>
@@ -77,6 +101,8 @@
             <groupId>org.apache.maven.plugins</groupId>
             <artifactId>maven-surefire-plugin</artifactId>
             <configuration>
+              <!-- Configure surefire to look for tests inside jackson-datatype-hibernate5 test-jar
+                   package, otherwise no test runs -->
               <dependenciesToScan>
                 <dependency>com.fasterxml.jackson.datatype:jackson-datatype-hibernate5</dependency>
               </dependenciesToScan>