- Added a testsuite for the plugin
- Some cleaning up and documenting of the code.
diff --git a/pom.xml b/pom.xml
index ddd6b28..bbe6867 100644
--- a/pom.xml
+++ b/pom.xml
@@ -505,7 +505,7 @@
         <version>1.0.0-SNAPSHOT</version>
         <executions>
           <execution>
-            <id>strip-test-jars</id>
+            <id>filter-test-jars</id>
             <phase>install</phase>
             <goals>
               <goal>filter-test-jars</goal>
diff --git a/utils/edgent-deployment-filter-maven-plugin/pom.xml b/utils/edgent-deployment-filter-maven-plugin/pom.xml
index 4036b21..a3ed058 100644
--- a/utils/edgent-deployment-filter-maven-plugin/pom.xml
+++ b/utils/edgent-deployment-filter-maven-plugin/pom.xml
@@ -77,7 +77,7 @@
         <artifactId>maven-plugin-plugin</artifactId>
         <version>3.2</version>
         <configuration>
-          <goalPrefix>edgent-deployment-filter-maven-plugin</goalPrefix>
+          <goalPrefix>edgent-deployment-filter</goalPrefix>
           <skipErrorNoDescriptorsFound>true</skipErrorNoDescriptorsFound>
         </configuration>
         <executions>
@@ -95,26 +95,32 @@
     <profile>
       <id>run-its</id>
       <build>
-
         <plugins>
           <plugin>
+            <groupId>org.codehaus.mojo</groupId>
+            <artifactId>mrm-maven-plugin</artifactId>
+            <version>1.1.0</version>
+            <executions>
+              <execution>
+                <goals>
+                  <goal>start</goal>
+                  <goal>stop</goal>
+                </goals>
+              </execution>
+            </executions>
+            <configuration>
+              <propertyName>mrm.distribution.url</propertyName>
+              <repositories>
+                <hostedRepo>
+                  <target>${project.build.directory}/maven-repos/remote</target>
+                </hostedRepo>
+              </repositories>
+            </configuration>
+          </plugin>
+          <plugin>
             <groupId>org.apache.maven.plugins</groupId>
             <artifactId>maven-invoker-plugin</artifactId>
-            <version>1.7</version>
-            <configuration>
-              <debug>true</debug>
-              <cloneProjectsTo>${project.build.directory}/it</cloneProjectsTo>
-              <pomIncludes>
-                <pomInclude>*/pom.xml</pomInclude>
-              </pomIncludes>
-              <postBuildHookScript>verify</postBuildHookScript>
-              <localRepositoryPath>${project.build.directory}/local-repo</localRepositoryPath>
-              <settingsFile>src/it/settings.xml</settingsFile>
-              <goals>
-                <goal>clean</goal>
-                <goal>test-compile</goal>
-              </goals>
-            </configuration>
+            <version>3.0.1</version>
             <executions>
               <execution>
                 <id>integration-test</id>
@@ -125,9 +131,25 @@
                 </goals>
               </execution>
             </executions>
+            <configuration>
+              <debug>false</debug>
+              <cloneProjectsTo>${project.build.directory}/it</cloneProjectsTo>
+              <pomIncludes>
+                <pomInclude>*/pom.xml</pomInclude>
+              </pomIncludes>
+              <postBuildHookScript>verify</postBuildHookScript>
+              <localRepositoryPath>${project.build.directory}/maven-repos/local</localRepositoryPath>
+              <settingsFile>src/it/settings.xml</settingsFile>
+              <goals>
+                <goal>clean</goal>
+                <goal>deploy</goal>
+              </goals>
+              <filterProperties>
+                <mrm.distribution.url>${mrm.distribution.url}</mrm.distribution.url>
+              </filterProperties>
+            </configuration>
           </plugin>
         </plugins>
-
       </build>
     </profile>
   </profiles>
diff --git a/utils/edgent-deployment-filter-maven-plugin/src/it/simple-it/verify.groovy b/utils/edgent-deployment-filter-maven-plugin/src/it/simple-it/verify.groovy
deleted file mode 100644
index de904ae..0000000
--- a/utils/edgent-deployment-filter-maven-plugin/src/it/simple-it/verify.groovy
+++ /dev/null
@@ -1,22 +0,0 @@
-/*
-Licensed to the Apache Software Foundation (ASF) under one
-or more contributor license agreements.  See the NOTICE file
-distributed with this work for additional information
-regarding copyright ownership.  The ASF licenses this file
-to you under the Apache License, Version 2.0 (the
-"License"); you may not use this file except in compliance
-with the License.  You may obtain a copy of the License at
-
-  http://www.apache.org/licenses/LICENSE-2.0
-
-Unless required by applicable law or agreed to in writing,
-software distributed under the License is distributed on an
-"AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
-KIND, either express or implied.  See the License for the
-specific language governing permissions and limitations
-under the License.
-*/
-
-File touchFile = new File( basedir, "target/touch.txt" );
-
-assert touchFile.isFile()
diff --git a/utils/edgent-deployment-filter-maven-plugin/src/it/simple-it/pom.xml b/utils/edgent-deployment-filter-maven-plugin/src/it/with-plugin/pom.xml
similarity index 65%
copy from utils/edgent-deployment-filter-maven-plugin/src/it/simple-it/pom.xml
copy to utils/edgent-deployment-filter-maven-plugin/src/it/with-plugin/pom.xml
index aff476c..b59f56f 100644
--- a/utils/edgent-deployment-filter-maven-plugin/src/it/simple-it/pom.xml
+++ b/utils/edgent-deployment-filter-maven-plugin/src/it/with-plugin/pom.xml
@@ -21,8 +21,14 @@
   xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
   <modelVersion>4.0.0</modelVersion>
 
+  <parent>
+    <groupId>org.apache</groupId>
+    <artifactId>apache</artifactId>
+    <version>19</version>
+  </parent>
+
   <groupId>org.apache.edgent.plugins.it</groupId>
-  <artifactId>simple-it</artifactId>
+  <artifactId>with-plugin</artifactId>
   <version>1.0-SNAPSHOT</version>
 
   <description>A simple IT verifying the basic use case.</description>
@@ -31,18 +37,43 @@
     <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
   </properties>
 
+  <distributionManagement>
+    <repository>
+      <id>mrm</id>
+      <url>@mrm.distribution.url@</url>
+    </repository>
+    <snapshotRepository>
+      <id>mrm</id>
+      <url>@mrm.distribution.url@</url>
+    </snapshotRepository>
+  </distributionManagement>
+
   <build>
     <plugins>
+      <!-- Create a test-jar -->
+      <plugin>
+        <groupId>org.apache.maven.plugins</groupId>
+        <artifactId>maven-jar-plugin</artifactId>
+        <executions>
+          <execution>
+            <goals>
+              <goal>test-jar</goal>
+            </goals>
+          </execution>
+        </executions>
+      </plugin>
+
+      <!-- Ensure it's not deployed -->
       <plugin>
         <groupId>@project.groupId@</groupId>
         <artifactId>@project.artifactId@</artifactId>
         <version>@project.version@</version>
         <executions>
           <execution>
-            <id>touch</id>
-            <phase>validate</phase>
+            <id>filter-test-jars</id>
+            <phase>install</phase>
             <goals>
-              <goal>touch</goal>
+              <goal>filter-test-jars</goal>
             </goals>
           </execution>
         </executions>
diff --git a/utils/edgent-deployment-filter-maven-plugin/src/it/with-plugin/verify.groovy b/utils/edgent-deployment-filter-maven-plugin/src/it/with-plugin/verify.groovy
new file mode 100644
index 0000000..c376a30
--- /dev/null
+++ b/utils/edgent-deployment-filter-maven-plugin/src/it/with-plugin/verify.groovy
@@ -0,0 +1,53 @@
+/*
+Licensed to the Apache Software Foundation (ASF) under one
+or more contributor license agreements.  See the NOTICE file
+distributed with this work for additional information
+regarding copyright ownership.  The ASF licenses this file
+to you under the Apache License, Version 2.0 (the
+"License"); you may not use this file except in compliance
+with the License.  You may obtain a copy of the License at
+
+  http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing,
+software distributed under the License is distributed on an
+"AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+KIND, either express or implied.  See the License for the
+specific language governing permissions and limitations
+under the License.
+*/
+
+import groovy.io.FileType
+
+def jarFile = new File(basedir, "target/with-plugin-1.0-SNAPSHOT.jar")
+def testJarFile = new File(basedir, "target/with-plugin-1.0-SNAPSHOT-tests.jar")
+
+// The jar file should exist
+assert jarFile.exists() && jarFile.isFile()
+
+// The test-jar should also exist
+assert testJarFile.exists() && testJarFile.isFile()
+
+// The local repo should contain the test-jar.
+def jarLocalRepo = new File("target/maven-repos/local/org/apache/edgent/plugins/it/with-plugin/1.0-SNAPSHOT")
+assert jarLocalRepo.exists()
+def foundTestJarInLocal = false
+jarLocalRepo.eachFileRecurse (FileType.FILES) { file ->
+    println file.name
+    if(file.name.endsWith("tests.jar")) {
+        foundTestJarInLocal = true
+    }
+}
+assert foundTestJarInLocal
+
+// The remote repo shouldn't contain it.
+def jarRemoteRepo = new File("target/maven-repos/remote/org/apache/edgent/plugins/it/with-plugin/1.0-SNAPSHOT")
+assert jarRemoteRepo.exists()
+def foundTestJarInRemote = false
+jarRemoteRepo.eachFileRecurse (FileType.FILES) { file ->
+    println file.name
+    if(file.name.endsWith("tests.jar")) {
+        foundTestJarInRemote = true
+    }
+}
+assert !foundTestJarInRemote
diff --git a/utils/edgent-deployment-filter-maven-plugin/src/it/simple-it/pom.xml b/utils/edgent-deployment-filter-maven-plugin/src/it/without-plugin/pom.xml
similarity index 68%
rename from utils/edgent-deployment-filter-maven-plugin/src/it/simple-it/pom.xml
rename to utils/edgent-deployment-filter-maven-plugin/src/it/without-plugin/pom.xml
index aff476c..cea659b 100644
--- a/utils/edgent-deployment-filter-maven-plugin/src/it/simple-it/pom.xml
+++ b/utils/edgent-deployment-filter-maven-plugin/src/it/without-plugin/pom.xml
@@ -21,28 +21,43 @@
   xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
   <modelVersion>4.0.0</modelVersion>
 
+  <parent>
+    <groupId>org.apache</groupId>
+    <artifactId>apache</artifactId>
+    <version>19</version>
+  </parent>
+
   <groupId>org.apache.edgent.plugins.it</groupId>
-  <artifactId>simple-it</artifactId>
+  <artifactId>without-plugin</artifactId>
   <version>1.0-SNAPSHOT</version>
 
-  <description>A simple IT verifying the basic use case.</description>
+  <description>A simple IT verifying a build without the plugin.</description>
 
   <properties>
     <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
   </properties>
 
+  <distributionManagement>
+    <repository>
+      <id>mrm</id>
+      <url>@mrm.distribution.url@</url>
+    </repository>
+    <snapshotRepository>
+      <id>mrm</id>
+      <url>@mrm.distribution.url@</url>
+    </snapshotRepository>
+  </distributionManagement>
+
   <build>
     <plugins>
+      <!-- Create a test-jar -->
       <plugin>
-        <groupId>@project.groupId@</groupId>
-        <artifactId>@project.artifactId@</artifactId>
-        <version>@project.version@</version>
+        <groupId>org.apache.maven.plugins</groupId>
+        <artifactId>maven-jar-plugin</artifactId>
         <executions>
           <execution>
-            <id>touch</id>
-            <phase>validate</phase>
             <goals>
-              <goal>touch</goal>
+              <goal>test-jar</goal>
             </goals>
           </execution>
         </executions>
diff --git a/utils/edgent-deployment-filter-maven-plugin/src/it/without-plugin/verify.groovy b/utils/edgent-deployment-filter-maven-plugin/src/it/without-plugin/verify.groovy
new file mode 100644
index 0000000..e294108
--- /dev/null
+++ b/utils/edgent-deployment-filter-maven-plugin/src/it/without-plugin/verify.groovy
@@ -0,0 +1,53 @@
+/*
+Licensed to the Apache Software Foundation (ASF) under one
+or more contributor license agreements.  See the NOTICE file
+distributed with this work for additional information
+regarding copyright ownership.  The ASF licenses this file
+to you under the Apache License, Version 2.0 (the
+"License"); you may not use this file except in compliance
+with the License.  You may obtain a copy of the License at
+
+  http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing,
+software distributed under the License is distributed on an
+"AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+KIND, either express or implied.  See the License for the
+specific language governing permissions and limitations
+under the License.
+*/
+
+import groovy.io.FileType
+
+def jarFile = new File(basedir, "target/without-plugin-1.0-SNAPSHOT.jar")
+def testJarFile = new File(basedir, "target/without-plugin-1.0-SNAPSHOT-tests.jar")
+
+// The jar file should exist
+assert jarFile.exists() && jarFile.isFile()
+
+// The test-jar should also exist
+assert testJarFile.exists() && testJarFile.isFile()
+
+// The local repo should contain the test-jar.
+def jarLocalRepo = new File("target/maven-repos/local/org/apache/edgent/plugins/it/without-plugin/1.0-SNAPSHOT")
+assert jarLocalRepo.exists()
+def foundTestJarInLocal = false
+jarLocalRepo.eachFileRecurse (FileType.FILES) { file ->
+    println file.name
+    if(file.name.endsWith("tests.jar")) {
+        foundTestJarInLocal = true
+    }
+}
+assert foundTestJarInLocal
+
+// The remote repo should contain it too.
+def jarRemoteRepo = new File("target/maven-repos/remote/org/apache/edgent/plugins/it/without-plugin/1.0-SNAPSHOT")
+assert jarRemoteRepo.exists()
+def foundTestJarInRemote = false
+jarRemoteRepo.eachFileRecurse (FileType.FILES) { file ->
+    println file.name
+    if(file.name.endsWith("tests.jar")) {
+        foundTestJarInRemote = true
+    }
+}
+assert foundTestJarInRemote
diff --git a/utils/edgent-deployment-filter-maven-plugin/src/main/java/org/apache/edgent/plugins/deploymentfilter/DeploymentFilterMojo.java b/utils/edgent-deployment-filter-maven-plugin/src/main/java/org/apache/edgent/plugins/deploymentfilter/FilterTestJarsMojo.java
similarity index 76%
rename from utils/edgent-deployment-filter-maven-plugin/src/main/java/org/apache/edgent/plugins/deploymentfilter/DeploymentFilterMojo.java
rename to utils/edgent-deployment-filter-maven-plugin/src/main/java/org/apache/edgent/plugins/deploymentfilter/FilterTestJarsMojo.java
index 978b219..7e90550 100644
--- a/utils/edgent-deployment-filter-maven-plugin/src/main/java/org/apache/edgent/plugins/deploymentfilter/DeploymentFilterMojo.java
+++ b/utils/edgent-deployment-filter-maven-plugin/src/main/java/org/apache/edgent/plugins/deploymentfilter/FilterTestJarsMojo.java
@@ -36,7 +36,7 @@
  * but before the deploy, which is the phase we don't want the artifact to be handled.
  */
 @Mojo( name = "filter-test-jars", defaultPhase = LifecyclePhase.INSTALL )
-public class DeploymentFilterMojo
+public class FilterTestJarsMojo
     extends AbstractMojo
 {
 
@@ -46,16 +46,23 @@
     public void execute()
         throws MojoExecutionException
     {
+        // Find all 'test-jar' artifacts.
+        // (This has to be done in separate loops in order to prevent
+        // concurrent modification exceptions.
         List<Artifact> toBeRemovedArtifacts = new LinkedList<Artifact>();
         for(Artifact artifact : project.getAttachedArtifacts()) {
             if("test-jar".equals(artifact.getType())) {
                 toBeRemovedArtifacts.add(artifact);
             }
         }
-        for(Artifact toBeRemovedArtifact : toBeRemovedArtifacts) {
-            getLog().info(" - Excluding test-jar artifact " + toBeRemovedArtifact.getArtifactId() +
-                " from deployment.");
-            project.getAttachedArtifacts().remove(toBeRemovedArtifact);
+
+        // Remove all of them from the list of attached artifacts.
+        if(!toBeRemovedArtifacts.isEmpty()) {
+            for (Artifact toBeRemovedArtifact : toBeRemovedArtifacts) {
+                getLog().info(" - Excluding test-jar artifact " + toBeRemovedArtifact.getArtifactId() +
+                    " from deployment.");
+                project.getAttachedArtifacts().remove(toBeRemovedArtifact);
+            }
         }
     }
 }