Switch to gmavenplus

Author: bitwiseman

pom.xml

@@ -290,13 +290,18 @@
         </resources>
         <plugins>
             <plugin>
-                <!-- why is this necessary!? otherwise compiling src/test/groovy/ fails -->
-                <!-- fix attempted at https://github.com/jenkinsci/jenkins/commit/101507f49873de0239ccb7839649ea71187712b2 but apparently failed. -->
-                <groupId>org.codehaus.gmaven</groupId>
-                <artifactId>gmaven-plugin</artifactId>
-                <configuration>
-                    <providerSelection>1.8</providerSelection>
-                </configuration>
+                <groupId>org.codehaus.gmavenplus</groupId>
+                <artifactId>gmavenplus-plugin</artifactId>
+                <version>1.7.1</version>
+                <executions>
+                    <execution>
+                        <goals>
+                            <goal>addTestSources</goal>
+                            <goal>generateTestStubs</goal>
+                            <goal>compileTests</goal>
+                        </goals>
+                    </execution>
+                </executions>
             </plugin>
             <plugin>
                 <groupId>org.jenkins-ci.tools</groupId>