trying without the explicit Maven dependency to test.support bundle in Selenium test bundle

java/com.sap.sailing.selenium.test/pom.xml

@@ -61,11 +61,15 @@
                             -->
                             <dependencies>
                                 <!-- This bundle should only be deployed in a test environment! -->
+                                <!-- It seems that with the upgrade of Tycho from 0.18.x to 0.21.0 the resolution
+                                     of explicit dependencies for bundles that depend on a product causes trouble.
+                                     Trying to go without the explicit dependency to the required test.support bundle...
                                 <dependency>
                                     <type>eclipse-plugin</type>
                                     <artifactId>com.sap.sailing.server.gateway.test.support</artifactId>
                                     <version>0.0.0</version>
                                 </dependency>
+                                -->
                             </dependencies>
                             
                             <bundleStartLevel>