NSKVOSupport: Mark proxy test as hopeful

Author: hmelder

Tests/base/NSKVOSupport/proxy.m

@@ -157,7 +157,10 @@ - (void)observeValueForKeyPath:(NSString *)keyPath ofObject:(id)object change:(N
     NSAutoreleasePool *arp = [NSAutoreleasePool new];
     Observer *obs = [Observer new];
 
+    testHopeful = YES;
     [obs runTest];
+    testHopeful = NO;
+
     [obs release];
 
     DESTROY(arp);