Increase timeout in ChannelConnectorImplTest

This test is often the first one to download and install shared neo4j
database. It might take more than 20 seconds to do this on a slow
connection. Thus timeout is increased to 60 seconds.

Author: lutovich

driver/src/test/java/org/neo4j/driver/internal/async/ChannelConnectorImplTest.java

@@ -63,7 +63,7 @@ public class ChannelConnectorImplTest
 {
     private final TestNeo4j neo4j = new TestNeo4j();
     @Rule
-    public final RuleChain ruleChain = RuleChain.outerRule( Timeout.seconds( 20 ) ).around( neo4j );
+    public final RuleChain ruleChain = RuleChain.outerRule( Timeout.seconds( 60 ) ).around( neo4j );
 
     private Bootstrap bootstrap;