Get rid maven-plugin-testing-harness from dependency

It only one class was used from this project.
This dependency takes much old stuff like maven 2

pom.xml

@@ -55,12 +55,6 @@ limitations under the License.
   </properties>
 
   <dependencies>
-    <dependency>
-      <groupId>org.apache.maven.shared</groupId>
-      <artifactId>maven-plugin-testing-harness</artifactId>
-      <version>1.1</version>
-      <scope>test</scope>
-    </dependency>
     <dependency>
       <groupId>org.openjdk.jmh</groupId>
       <artifactId>jmh-core</artifactId>

src/test/java/org/codehaus/plexus/util/introspection/ReflectionValueExtractorTest.java

@@ -27,7 +27,6 @@
 import java.util.List;
 import java.util.Map;
 
-import org.apache.maven.plugin.testing.stubs.MavenProjectStub;
 import org.junit.Before;
 import org.junit.Test;
 
@@ -462,6 +461,7 @@ public static class Project
         private String version;
 
         private Map<String, Artifact> artifactMap = new HashMap<String, Artifact>();
+        private String description;
 
         public void setModelVersion( String modelVersion )
         {
@@ -569,6 +569,16 @@ public Map<String, Artifact> getArtifactMap()
         {
             return artifactMap;
         }
+
+        public void setDescription( String description )
+        {
+            this.description = description;
+        }
+
+        public String getDescription()
+        {
+            return description;
+        }
     }
 
     public static class Build
@@ -630,7 +640,7 @@ public Object getValue()
     public void testRootPropertyRegression()
         throws Exception
     {
-        MavenProjectStub project = new MavenProjectStub();
+        Project project = new Project();
         project.setDescription( "c:\\\\org\\apache\\test" );
         Object evalued = ReflectionValueExtractor.evaluate( "description", project );
         assertNotNull( evalued );