Enable Appveyor with Java 11 updates (#886)

Author: cheenamalhotra

appveyor.yml

@@ -4,7 +4,7 @@ init:
   - cmd: net start MSSQL$%SQL_Instance%
 
 environment:
-  JAVA_HOME: C:\Program Files\Java\jdk10
+  JAVA_HOME: C:\Program Files\Java\jdk11
   mssql_jdbc_test_connection_properties: jdbc:sqlserver://localhost:1433;instanceName=%SQL_Instance%;databaseName=master;username=sa;password=Password12!;
   matrix:
     - SQL_Instance: SQL2008R2SP2
@@ -31,9 +31,9 @@ cache:
 build_script:
  - keytool -importkeystore -srckeystore cert.pfx -srcstoretype pkcs12 -destkeystore clientcert.jks -deststoretype JKS -srcstorepass password -deststorepass password  
  - keytool -list -v -keystore clientcert.jks -storepass "password" > JavaKeyStore.txt
-#  - cd..
-#  - mvn install -DskipTests=true -Dmaven.javadoc.skip=true -B -V -Pbuild43
-#  - mvn install -DskipTests=true -Dmaven.javadoc.skip=true -B -V -Pbuild42
-# test_script:
-#  - mvn test -B -Pbuild43
-#  - mvn test -B -Pbuild42
+ - cd..
+ - mvn install -DskipTests=true -Dmaven.javadoc.skip=true -B -V -Pbuild43
+ - mvn install -DskipTests=true -Dmaven.javadoc.skip=true -B -V -Pbuild42
+test_script:
+ - mvn test -B -Pbuild43
+ - mvn test -B -Pbuild42