Fix failing non-H2 db tests (part 2)

modules/flowable-cmmn-engine/src/main/java/org/flowable/cmmn/engine/impl/db/CmmnDbSchemaManager.java

@@ -86,7 +86,9 @@ public class CmmnDbSchemaManager implements DbSchemaManager {
         // For most databases, this is not a problem as DDL statements are not transactional.
         // However for some (e.g. sql server), this would remove all previous statements, which is not wanted,
         // hence the extra commit here.
-        jdbcConnection.commit();
+        if (!jdbcConnection.getAutoCommit()) {
+            jdbcConnection.commit();
+        }
         
         DatabaseConnection connection = new JdbcConnection(jdbcConnection);
         Database database = DatabaseFactory.getInstance().findCorrectDatabaseImplementation(connection);

modules/flowable-content-engine/src/main/java/org/flowable/content/engine/impl/db/ContentDbSchemaManager.java

@@ -65,7 +65,9 @@ public class ContentDbSchemaManager implements DbSchemaManager {
             } else {
                 jdbcConnection = CommandContextUtil.getDbSqlSession(commandContext).getSqlSession().getConnection();
             }
-            jdbcConnection.commit();
+            if (!jdbcConnection.getAutoCommit()) {
+                jdbcConnection.commit();
+            }
             
             DatabaseConnection connection = new JdbcConnection(jdbcConnection);
             Database database = DatabaseFactory.getInstance().findCorrectDatabaseImplementation(connection);

modules/flowable-dmn-engine/src/main/java/org/flowable/dmn/engine/impl/db/DmnDbSchemaManager.java

@@ -75,7 +75,10 @@ public class DmnDbSchemaManager implements DbSchemaManager {
         } else {
             jdbcConnection = CommandContextUtil.getDbSqlSession(commandContext).getSqlSession().getConnection();
         }
-        jdbcConnection.commit();
+        
+        if (!jdbcConnection.getAutoCommit()) {
+            jdbcConnection.commit();
+        }
         
         DatabaseConnection connection = new JdbcConnection(jdbcConnection);
         Database database = DatabaseFactory.getInstance().findCorrectDatabaseImplementation(connection);

modules/flowable-form-engine/src/main/java/org/flowable/form/engine/impl/db/FormDbSchemaManager.java

@@ -66,7 +66,9 @@ public class FormDbSchemaManager implements DbSchemaManager {
             } else {
                 jdbcConnection = CommandContextUtil.getDbSqlSession(commandContext).getSqlSession().getConnection();
             }
-            jdbcConnection.commit();
+            if (!jdbcConnection.getAutoCommit()) {
+                jdbcConnection.commit();
+            }
             
             DatabaseConnection connection = new JdbcConnection(jdbcConnection);
             Database database = DatabaseFactory.getInstance().findCorrectDatabaseImplementation(connection);