diff --git a/common-project.include b/common-project.include
index 15f33f4f..64a21ca4 100644
--- a/common-project.include
+++ b/common-project.include
@@ -352,13 +352,23 @@ ${tool.dir}       : dir for tools
 	
 	
 	
+<!-- NOTE: Depends on XmlInsertNode custom task to function properly -->
 <target name="common.run-tests.aggregated.opencover" description="Run all NUnit Tests together with OpenCover coverage">
 
 	<property name="test.bin.dir" value="${current.bin.dir}" if="${not property::exists('test.bin.dir')}" />
 
-	<property name="spring.test.assemblies" value="" />
-	
-<!-- append the path for each test assembly to the running list of assemblies -->
+	<property name="spring.tests.nunit.filename" value="${test.bin.dir}/Spring.Tests.nunit" />
+
+	<!-- write the empty NUNIT project file contents to disk -->
+	<echo file="${spring.tests.nunit.filename}">
+	&lt;NUnitProject&gt;
+	  &lt;Settings activeconfig="Default" /&gt;
+	  &lt;Config name="Default" binpathtype="Auto"&gt;
+	  &lt;/Config&gt;
+	&lt;/NUnitProject&gt;
+	</echo>
+
+<!-- append the node for each test assembly to the NUNIT project file -->
 	<foreach item="File" property="filename">
 		<in>
 			<items basedir="${test.bin.dir}">
@@ -366,19 +376,17 @@ ${tool.dir}       : dir for tools
 			</items>
 		</in>
 		<do>
-		<echo message="Adding file to NUNIT assemblies: ${filename}" />  
-		<property name="spring.test.assemblies" value="${spring.test.assemblies} ${filename}" />
+		<echo message="Adding file to NUNIT project file ${spring.tests.nunit.filename}: ${filename}" />  
+		<xmlinsertnode filename="${spring.tests.nunit.filename}" xpath="//NUnitProject/Config" fragment="&lt;assembly path=&quot;${filename}&quot; /&gt;" />
 		</do>
 	</foreach>
-
-    <echo message="Unit Testing assemblies in ${test.bin.dir}" />
-
-<!-- invoke OpenCover passing the NUNIT assemblies list to the NUNIT test runner -->
+		
+<!-- invoke OpenCover passing the NUNIT project file to the NUNIT test runner -->
 	<exec program="${tool.dir}/opencover/OpenCover.Console.exe" workingdir="${test.bin.dir}" verbose="true">
 		<arg value="-register:user" />
 		<arg value="-mergebyhash" />
 		<arg value="-target:${tool.dir}/nunit/net-2.0/nunit-console-x86.exe" />
-		<arg value="-targetargs:&quot;${spring.test.assemblies} /xml:Spring.Tests-TestResults.xml /noshadow /nologo /framework:${nant.settings.currentframework}&quot;" />
+		<arg value="-targetargs:&quot;${spring.tests.nunit.filename} /xml:Spring.Tests-TestResults.xml /noshadow /nologo /framework:${nant.settings.currentframework}&quot;" />
 		<arg value="-filter:&quot;+[Spring*]* -[*Tests*]*&quot;" />
 		<arg value="-output:${test.bin.dir}/Spring.Tests-TestCoverage.xml" />
 	</exec>
@@ -391,9 +399,58 @@ ${tool.dir}       : dir for tools
 
 </target>
 
+<!-- script that appends new XML nodes to an existing xml file -->
+<script language="C#" prefix="test" >
+        <references>
+            <include name="System.Xml.dll" />
+        </references>
+        <code>
+            <![CDATA[
+              [TaskName("xmlinsertnode")]
+              public class TestTask : Task {
+                #region Private Instance Fields
+                private string _filename;
+                private string _xpath;
+                private string _fragment;
+                #endregion Private Instance Fields
+
+                #region Public Instance Properties
+                [TaskAttribute("filename", Required=true)]
+                public string FileName {
+                    get { return _filename; }
+                    set { _filename = value; }
+                }
+
+                [TaskAttribute("xpath", Required=true)]
+                public string XPath {
+                    get { return _xpath; }
+                    set { _xpath = value; }
+                }
+
+                [TaskAttribute("fragment", Required=true)]
+                public string Fragment {
+                    get { return _fragment; }
+                    set { _fragment = value; }
+                }
+
+                #endregion Public Instance Properties
+
+                #region Override implementation of Task
+                protected override void ExecuteTask() {
+                    System.Xml.XmlDocument document = new System.Xml.XmlDocument();
+                    document.Load(_filename);
+                    System.Xml.XPath.XPathNavigator navigator = document.CreateNavigator();
+                    navigator.SelectSingleNode(_xpath).AppendChild(_fragment);
+                    document.Save(_filename);
+                }
+                #endregion Override implementation of Task
+              }
+            ]]>
+        </code>
+</script>
 
 	<readregistry property="net35.install.dir" key="SOFTWARE\Microsoft\NET Framework Setup\NDP\v3.5\InstallPath" hive="LocalMachine" failonerror="true"/>
-	<property name="msbuild.exe" value="${net35.install.dir}\msbuild.exe"/>
+  <property name="msbuild.exe" value="${net35.install.dir}\msbuild.exe"/>
 	
 	
 </project>