use m-javadoc-p version 3.0.0-M1 to have Java 9 compatible UT

git-svn-id: https://svn.apache.org/repos/asf/maven/shared/trunk@1811274 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/src/test/java/org/apache/maven/reporting/exec/TestDefaultMavenReportExecutor.java b/src/test/java/org/apache/maven/reporting/exec/TestDefaultMavenReportExecutor.java
index 8def289..a13102e 100644
--- a/src/test/java/org/apache/maven/reporting/exec/TestDefaultMavenReportExecutor.java
+++ b/src/test/java/org/apache/maven/reporting/exec/TestDefaultMavenReportExecutor.java
@@ -120,7 +120,7 @@
         Plugin plugin = new Plugin();
         plugin.setGroupId( "org.apache.maven.plugins" );
         plugin.setArtifactId( "maven-javadoc-plugin" );
-        plugin.setVersion( "2.7" );
+        plugin.setVersion( "3.0.0-M1" );
         Dependency dependency = new Dependency();
         dependency.setGroupId( "commons-lang" );
         dependency.setArtifactId( "commons-lang" );
@@ -161,7 +161,7 @@
             ReportPlugin reportPlugin = new ReportPlugin();
             reportPlugin.setGroupId( "org.apache.maven.plugins" );
             reportPlugin.setArtifactId( "maven-javadoc-plugin" );
-            reportPlugin.setVersion( "2.7" );
+            reportPlugin.setVersion( "3.0.0-M1" );
 
             for ( ReportSet reportSet : javadocReportSets )
             {