avoid full maven distro for test in build.outputDirectory as it is in…

…cluded in the plugin jar

Signed-off-by: Olivier Lamy <olamy@apache.org>

pom.xml

@@ -793,16 +793,29 @@ THE SOFTWARE.
   </dependencies>
 
   <build>
+    <pluginManagement>
+      <plugins>
+        <plugin>
+          <groupId>org.apache.maven.plugins</groupId>
+          <artifactId>maven-surefire-plugin</artifactId>
+          <configuration>
+            <systemPropertyVariables>
+              <buildDirectory>${project.build.directory}</buildDirectory>
+            </systemPropertyVariables>
+          </configuration>
+        </plugin>
+      </plugins>
+    </pluginManagement>
     <plugins>
       <plugin>
         <groupId>org.apache.maven.plugins</groupId>
         <artifactId>maven-dependency-plugin</artifactId>
         <executions>
           <execution>
-            <id>copy-binary-files</id>
-            <phase>process-resources</phase>
+            <id>unpack-mvn-home-for-test</id>
+            <phase>process-test-resources</phase>
             <goals>
-              <goal>copy</goal>
+              <goal>unpack</goal>
             </goals>
             <configuration>
               <artifactItems>
@@ -812,7 +825,7 @@ THE SOFTWARE.
                   <version>3.6.3</version>
                   <type>zip</type>
                   <classifier>bin</classifier>
-                  <outputDirectory>${project.build.outputDirectory}</outputDirectory>
+                  <outputDirectory>${project.build.directory}</outputDirectory>
                 </artifactItem>
               </artifactItems>
             </configuration>