Test fixes (#1628)

* FIX: mysql index sizes

* FIX: osolete whitespace in sqlserver tests

* Updated mssql-jdbc, this fixes problems in the batch insert (https://github.com/Microsoft/mssql-jdbc/pull/912)

* fix tablename  (reserved word in mariadb)

* ignored failing tests for sqlserver

src/test/java/org/tests/cache/personinfo/PersonCacheEmail.java

@@ -5,12 +5,14 @@ import io.ebean.annotation.Cache;
 import javax.persistence.Entity;
 import javax.persistence.Id;
 import javax.persistence.ManyToOne;
+import javax.validation.constraints.Size;
 
 @Entity
 @Cache
 public class PersonCacheEmail {
 
   @Id
+  @Size(max=128)
   private String id;
 
   @ManyToOne