added tests asembly descriptor
diff --git a/jetty-assembly-descriptors/src/main/resources/assemblies/tests.xml b/jetty-assembly-descriptors/src/main/resources/assemblies/tests.xml
new file mode 100644
index 0000000..4d4412a
--- /dev/null
+++ b/jetty-assembly-descriptors/src/main/resources/assemblies/tests.xml
@@ -0,0 +1,17 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<assembly>
+  <id>tests</id>
+  <includeBaseDirectory>false</includeBaseDirectory>
+  <formats>
+    <format>jar</format>
+  </formats>
+  <fileSets>
+    <fileSet>
+      <directory>src/test/java</directory>
+      <outputDirectory></outputDirectory>
+      <includes>
+        <include>**</include>
+      </includes>
+    </fileSet>
+  </fileSets>
+</assembly>