Add missing remote extension artifact
diff --git a/maven-release-manager/src/test/remote-repository/external/extension-artifactId/1.3-SNAPSHOT/extension-artifactId-1.3-SNAPSHOT.jar b/maven-release-manager/src/test/remote-repository/external/extension-artifactId/1.3-SNAPSHOT/extension-artifactId-1.3-SNAPSHOT.jar
new file mode 100644
index 0000000..421376d
--- /dev/null
+++ b/maven-release-manager/src/test/remote-repository/external/extension-artifactId/1.3-SNAPSHOT/extension-artifactId-1.3-SNAPSHOT.jar
@@ -0,0 +1 @@
+dummy
diff --git a/maven-release-manager/src/test/remote-repository/external/extension-artifactId/1.3-SNAPSHOT/extension-artifactId-1.3-SNAPSHOT.pom b/maven-release-manager/src/test/remote-repository/external/extension-artifactId/1.3-SNAPSHOT/extension-artifactId-1.3-SNAPSHOT.pom
new file mode 100644
index 0000000..f6ad12f
--- /dev/null
+++ b/maven-release-manager/src/test/remote-repository/external/extension-artifactId/1.3-SNAPSHOT/extension-artifactId-1.3-SNAPSHOT.pom
@@ -0,0 +1,32 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+ ~ 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.
+ -->
+
+<project>
+ <modelVersion>4.0.0</modelVersion>
+ <groupId>external</groupId>
+ <artifactId>extension-artifactId</artifactId>
+ <version>1.3-SNAPSHOT</version>
+ <description>POM was created from deploy:deploy-file</description>
+ <scm>
+ <connection>scm:svn:file://localhost/tmp/scm-repo/trunk</connection>
+ <developerConnection>scm:svn:file://localhost/tmp/scm-repo/trunk</developerConnection>
+ <url>file://localhost/tmp/scm-repo/trunk</url>
+ </scm>
+</project>
\ No newline at end of file
