FIX LargeValueInsert-Test for DB2

ebean-test/src/test/java/org/tests/basic/lob/TestBasicClobNoVer.java

@@ -86,13 +86,16 @@ class TestBasicClobNoVer extends BaseTestCase {
   @Test
   void largeValueInsert() {
     EBasicClobNoVer bean = new EBasicClobNoVer();
-    bean.setDescription(largeContent());
+    String s = largeContent();
+    bean.setDescription(s);
     DB.save(bean);
+    bean = DB.find(EBasicClobNoVer.class, bean.getId());
+    assertThat(bean.getDescription()).isEqualTo(s);
   }
 
   private String largeContent() {
     Random random = new Random();
-    StringBuilder sb = new StringBuilder();
+    StringBuilder sb = new StringBuilder(1048577);
     for (int i = 0; i < 1048577; i++) {
       sb.append((char) (random.nextInt(26) + 'a'));
     }

ebean-test/src/test/java/org/tests/model/basic/EBasicClobNoVer.java

@@ -1,9 +1,12 @@
 package org.tests.model.basic;
 
+import javax.persistence.Column;
 import javax.persistence.Entity;
 import javax.persistence.Id;
 import javax.persistence.Lob;
 import javax.persistence.OneToMany;
+
+
 import java.util.ArrayList;
 import java.util.List;
 
@@ -19,6 +22,8 @@ public class EBasicClobNoVer {
    * Note that lobs default to FetchType.LAZY - see EBasicClobFetchEager.
    */
   @Lob
+  // Required for largeValueInsert-test. DB2 allows by default only 1MB
+  @Column(columnDefinition = "db2;clob(2M);")
   private String description;
 
   @OneToMany