[MPLUGINTESTING-51] ResolverExpressionEvaluatorStub ignores project.basedir

Submitted-by: Hannes De Clercq

This closes #3
diff --git a/maven-plugin-testing-harness/src/main/java/org/apache/maven/plugin/testing/ResolverExpressionEvaluatorStub.java b/maven-plugin-testing-harness/src/main/java/org/apache/maven/plugin/testing/ResolverExpressionEvaluatorStub.java
index 623d614..20bea3b 100644
--- a/maven-plugin-testing-harness/src/main/java/org/apache/maven/plugin/testing/ResolverExpressionEvaluatorStub.java
+++ b/maven-plugin-testing-harness/src/main/java/org/apache/maven/plugin/testing/ResolverExpressionEvaluatorStub.java
@@ -81,11 +81,11 @@
             }
         }
 
-        if ( "basedir".equals( expression ) )
+        if ( "basedir".equals( expression ) || "project.basedir".equals( expression ) )
         {
             return PlexusTestCase.getBasedir();
         }
-        else if ( expression.startsWith( "basedir" ) )
+        else if ( expression.startsWith( "basedir" )|| expression.startsWith( "project.basedir" ) )
         {
             int pathSeparator = expression.indexOf( "/" );