Upgrade to Neo4j Java driver 4.0.0-rc2

Author: henriknyman

build.gradle

@@ -70,7 +70,7 @@ ext {
     argparse4jVersion = '0.7.0'
     junitVersion = '4.12'
     evaluatorVersion = '3.5.4'
-    neo4jJavaDriverVersion = '4.0.0-rc1'
+    neo4jJavaDriverVersion = '4.0.0-rc2'
     findbugsVersion = '3.0.0'
     jansiVersion = '1.13'
     jlineVersion = '2.14.6'

cypher-shell/src/test/java/org/neo4j/shell/test/bolt/FakeDriver.java

@@ -11,6 +11,8 @@
 
 import java.util.concurrent.CompletionStage;
 
+import static java.util.concurrent.CompletableFuture.completedFuture;
+
 public class FakeDriver implements Driver {
     @Override
     public boolean isEncrypted() {
@@ -79,4 +81,16 @@ public void verifyConnectivity() {
     public CompletionStage<Void> verifyConnectivityAsync() {
         return null;
     }
+
+    @Override
+    public boolean supportsMultiDb()
+    {
+        return true;
+    }
+
+    @Override
+    public CompletionStage<Boolean> supportsMultiDbAsync()
+    {
+        return completedFuture(true);
+    }
 }