Try to fix reading of updated test.properties.
diff --git a/releng/build-scripts/build/build.xml b/releng/build-scripts/build/build.xml
index c78c7fd..4c943a7 100644
--- a/releng/build-scripts/build/build.xml
+++ b/releng/build-scripts/build/build.xml
@@ -93,6 +93,9 @@
 					<filter token="QUALIFIER" value="${timestamp}"/>
 				</filterset>
 			</copy>
+
+			<!-- versions of test plugins: -->
+			<loadproperties srcfile="${OTScriptDir}/test.properties" />
 		</target>
 
 </project>
diff --git a/releng/build-scripts/build/run.xml b/releng/build-scripts/build/run.xml
index ae4600d..9ba145b 100644
--- a/releng/build-scripts/build/run.xml
+++ b/releng/build-scripts/build/run.xml
@@ -71,9 +71,6 @@
 		</copy>
 		<!-- Note: test.properites.in is now processed in build.xml:create.label.properties -->
 
-		<!-- versions of test plugins: -->
-		<loadproperties srcfile="${_toplevelDir}/test.properties" />
-
 		<!-- ======== More Configuration Details: ======== -->
 		<!-- maybe obsolete: file prefix to distinguish output files. -->
 		<property name="file-id" value="XXX" />