Fix the red build due to unreliable tck calling order of Before method

Also simplified tck output

Author: Zhen

driver/src/test/java/org/neo4j/driver/v1/tck/DriverComplianceIT.java

@@ -32,7 +32,8 @@
  * The base class to run all cucumber tests
  */
 @RunWith( DriverCucumberAdapter.class )
-@CucumberOptions( features = {"target/resources/features"}, strict=true, tags={"~@db", "~@fixed_session_pool"}, format = {"pretty"})
+@CucumberOptions( features = {"target/resources/features"}, strict=true, tags={"~@db", "~@fixed_session_pool"},
+        format = {"default_summary"})
 public class DriverComplianceIT
 {
     @Rule

driver/src/test/java/org/neo4j/driver/v1/tck/Environment.java

@@ -63,7 +63,7 @@ public void resetValues()
         statementRunner = null;
         stringRunner = null;
         runners = new ArrayList<>();
-        mappedTypes = new HashMap<>(  );
+        mappedTypes = new HashMap<>();
         driver = neo4j.driver();
     }
 
@@ -79,6 +79,7 @@ public void closeRunners()
     @Before("@reset_database")
     public void emptyDatabase()
     {
+        Driver driver = neo4j.driver();
         try ( Session session = driver.session())
         {
             session.run( "MATCH (n) DETACH DELETE n" );