add resolution: optional to try to fix test

auto-registered annotations are added with "resolution: optional" directive, in order to fix tests which failed due to Unresolved requirements: osgi.extender; (&(osgi.extender=osgi.serviceloader.registrar)(version>=1.0.0)(!(version>=2.0.0))) which was added by the auto-registed annotations

Signed-off-by: Christoph Rueger <chrisrueger@gmail.com>

biz.aQute.bndlib/src/aQute/bnd/osgi/metainf/MetaInfServiceParser.java

@@ -8,12 +8,14 @@
 import java.lang.annotation.RetentionPolicy;
 import java.util.Map;
 
+import aQute.bnd.annotation.Resolution;
 import aQute.bnd.annotation.spi.ServiceProvider;
 import aQute.bnd.header.Attrs;
 import aQute.bnd.header.Parameters;
 import aQute.bnd.osgi.Analyzer;
 import aQute.bnd.osgi.Annotation;
 import aQute.bnd.osgi.Annotation.ElementType;
+import aQute.bnd.osgi.Constants;
 import aQute.bnd.osgi.Descriptors.TypeRef;
 import aQute.bnd.osgi.Processor;
 import aQute.bnd.osgi.metainf.MetaInfService.Implementation;
@@ -57,7 +59,10 @@ public boolean analyzeJar(Analyzer analyzer) throws Exception {
 				Parameters annotations = impl.getAnnotations();
 
 				if (annotations.isEmpty() && METAINF_SERVICES_STRATEGY_AUTO.equals(strategy)) {
-					annotations.add(ServiceProvider.class.getName(), Attrs.EMPTY_ATTRS);
+					Attrs attrs = new Attrs();
+					attrs.put(Constants.RESOLUTION_DIRECTIVE, Resolution.OPTIONAL);
+					attrs.addDirectiveAliases();
+					annotations.add(ServiceProvider.class.getName(), attrs);
 				}
 
 				annotations.forEach((annotationName, attrs) -> {