Disabling MariaDB and MySQL tests, since they have CI problems.

diff --git a/extensions/entitystore-sql/src/test/java/org/apache/polygene/entitystore/sql/MariaDbEntityStoreTest.java b/extensions/entitystore-sql/src/test/java/org/apache/polygene/entitystore/sql/MariaDbEntityStoreTest.java
index e76abfd..a37d45a 100644
--- a/extensions/entitystore-sql/src/test/java/org/apache/polygene/entitystore/sql/MariaDbEntityStoreTest.java
+++ b/extensions/entitystore-sql/src/test/java/org/apache/polygene/entitystore/sql/MariaDbEntityStoreTest.java

@@ -34,6 +34,7 @@
 import org.jooq.SQLDialect;
 import org.junit.jupiter.api.AfterEach;
 import org.junit.jupiter.api.BeforeAll;
+import org.junit.jupiter.api.Disabled;
 
 @Docker( image = "mariadb:10.1.21",
          ports = @Port( exposed = 8801, inner = 3306 ),
@@ -45,6 +46,7 @@
          waitFor = @WaitFor( value = "mariadb.org binary distribution", timeoutInMillis = 120000 ),
          newForEachCase = false
 )
+@Disabled
 public class MariaDbEntityStoreTest extends AbstractEntityStoreTest
 {
 

diff --git a/extensions/entitystore-sql/src/test/java/org/apache/polygene/entitystore/sql/MariaDbEntityStoreTestSuite.java b/extensions/entitystore-sql/src/test/java/org/apache/polygene/entitystore/sql/MariaDbEntityStoreTestSuite.java
index 849aad9..09e6a8c 100644
--- a/extensions/entitystore-sql/src/test/java/org/apache/polygene/entitystore/sql/MariaDbEntityStoreTestSuite.java
+++ b/extensions/entitystore-sql/src/test/java/org/apache/polygene/entitystore/sql/MariaDbEntityStoreTestSuite.java

@@ -33,6 +33,7 @@
 import org.jooq.SQLDialect;
 import org.junit.jupiter.api.AfterEach;
 import org.junit.jupiter.api.BeforeAll;
+import org.junit.jupiter.api.Disabled;
 
 @Docker( image = "mariadb:10.1.21",
          ports = @Port( exposed = 8801, inner = 3306 ),
@@ -44,6 +45,7 @@
          waitFor = @WaitFor( value = "mariadb.org binary distribution", timeoutInMillis = 120000 ),
          newForEachCase = false
 )
+@Disabled
 public class MariaDbEntityStoreTestSuite extends EntityStoreTestSuite
 {
     @BeforeAll

diff --git a/extensions/entitystore-sql/src/test/java/org/apache/polygene/entitystore/sql/MySQLEntityStoreTest.java b/extensions/entitystore-sql/src/test/java/org/apache/polygene/entitystore/sql/MySQLEntityStoreTest.java
index 72f0df0..00285d6 100644
--- a/extensions/entitystore-sql/src/test/java/org/apache/polygene/entitystore/sql/MySQLEntityStoreTest.java
+++ b/extensions/entitystore-sql/src/test/java/org/apache/polygene/entitystore/sql/MySQLEntityStoreTest.java

@@ -35,6 +35,7 @@
 import org.jooq.SQLDialect;
 import org.junit.jupiter.api.AfterEach;
 import org.junit.jupiter.api.BeforeAll;
+import org.junit.jupiter.api.Disabled;
 
 // If upgrade to MySQL 8, then these tests will fail due to some new authentication requirements.
 @Docker( image = "mysql:5.7.22",
@@ -47,6 +48,7 @@
          waitFor = @WaitFor( value = "ready for connections", timeoutInMillis = 90000 ),
          newForEachCase = false
 )
+@Disabled
 public class MySQLEntityStoreTest extends AbstractEntityStoreTest
 {
     @BeforeAll

diff --git a/extensions/entitystore-sql/src/test/java/org/apache/polygene/entitystore/sql/MySQLEntityStoreTestSuite.java b/extensions/entitystore-sql/src/test/java/org/apache/polygene/entitystore/sql/MySQLEntityStoreTestSuite.java
index a84ac74..69b794a 100644
--- a/extensions/entitystore-sql/src/test/java/org/apache/polygene/entitystore/sql/MySQLEntityStoreTestSuite.java
+++ b/extensions/entitystore-sql/src/test/java/org/apache/polygene/entitystore/sql/MySQLEntityStoreTestSuite.java

@@ -33,6 +33,7 @@
 import org.jooq.SQLDialect;
 import org.junit.jupiter.api.AfterEach;
 import org.junit.jupiter.api.BeforeAll;
+import org.junit.jupiter.api.Disabled;
 
 // If upgrade to MySQL 8, then these tests will fail due to some new authentication requirements.
 @Docker( image = "mysql:5.7.22",
@@ -45,6 +46,7 @@
          waitFor = @WaitFor( value = "mysqld: ready for connections", timeoutInMillis = 40000 ),
          newForEachCase = false
 )
+@Disabled
 public class MySQLEntityStoreTestSuite extends EntityStoreTestSuite
 {
     @BeforeAll

diff --git a/extensions/entitystore-sqlkv/src/test/java/org/apache/polygene/entitystore/sqlkv/MariaDbEntityStoreTest.java b/extensions/entitystore-sqlkv/src/test/java/org/apache/polygene/entitystore/sqlkv/MariaDbEntityStoreTest.java
index 421d5e2..378d5c9 100644
--- a/extensions/entitystore-sqlkv/src/test/java/org/apache/polygene/entitystore/sqlkv/MariaDbEntityStoreTest.java
+++ b/extensions/entitystore-sqlkv/src/test/java/org/apache/polygene/entitystore/sqlkv/MariaDbEntityStoreTest.java

@@ -34,6 +34,7 @@
 import org.jooq.SQLDialect;
 import org.junit.jupiter.api.AfterEach;
 import org.junit.jupiter.api.BeforeAll;
+import org.junit.jupiter.api.Disabled;
 
 @Docker( image = "mariadb:10.1.21",
          ports = @Port( exposed = 8801, inner = 3306 ),
@@ -45,6 +46,7 @@
          waitFor = @WaitFor( value = "mysqld: ready for connections", timeoutInMillis = 120000 ),
          newForEachCase = false
 )
+@Disabled
 public class MariaDbEntityStoreTest extends AbstractEntityStoreTest
 {
     @BeforeAll

diff --git a/extensions/entitystore-sqlkv/src/test/java/org/apache/polygene/entitystore/sqlkv/MariaDbEntityStoreTestSuite.java b/extensions/entitystore-sqlkv/src/test/java/org/apache/polygene/entitystore/sqlkv/MariaDbEntityStoreTestSuite.java
index 6a1c125..ad7b7ce 100644
--- a/extensions/entitystore-sqlkv/src/test/java/org/apache/polygene/entitystore/sqlkv/MariaDbEntityStoreTestSuite.java
+++ b/extensions/entitystore-sqlkv/src/test/java/org/apache/polygene/entitystore/sqlkv/MariaDbEntityStoreTestSuite.java

@@ -45,6 +45,7 @@
          waitFor = @WaitFor( value = "mysqld: ready for connections", timeoutInMillis = 120000),
          newForEachCase = false
 )
+@Disabled
 public class MariaDbEntityStoreTestSuite extends EntityStoreTestSuite
 {
     @BeforeAll

diff --git a/extensions/entitystore-sqlkv/src/test/java/org/apache/polygene/entitystore/sqlkv/MySQLEntityStoreTest.java b/extensions/entitystore-sqlkv/src/test/java/org/apache/polygene/entitystore/sqlkv/MySQLEntityStoreTest.java
index bdad6b0..4ff1e29 100644
--- a/extensions/entitystore-sqlkv/src/test/java/org/apache/polygene/entitystore/sqlkv/MySQLEntityStoreTest.java
+++ b/extensions/entitystore-sqlkv/src/test/java/org/apache/polygene/entitystore/sqlkv/MySQLEntityStoreTest.java

@@ -47,6 +47,7 @@
          waitFor = @WaitFor( value = "mysqld: ready for connections", timeoutInMillis = 90000),
          newForEachCase = false
 )
+@Disabled
 public class MySQLEntityStoreTest extends AbstractEntityStoreTest
 {
     @BeforeAll

diff --git a/extensions/entitystore-sqlkv/src/test/java/org/apache/polygene/entitystore/sqlkv/MySQLEntityStoreTestSuite.java b/extensions/entitystore-sqlkv/src/test/java/org/apache/polygene/entitystore/sqlkv/MySQLEntityStoreTestSuite.java
index a6b5aa6..0660bde 100644
--- a/extensions/entitystore-sqlkv/src/test/java/org/apache/polygene/entitystore/sqlkv/MySQLEntityStoreTestSuite.java
+++ b/extensions/entitystore-sqlkv/src/test/java/org/apache/polygene/entitystore/sqlkv/MySQLEntityStoreTestSuite.java

@@ -45,6 +45,7 @@
          waitFor = @WaitFor( value = "mysqld: ready for connections", timeoutInMillis = 90000),
          newForEachCase = false
 )
+@Disabled
 public class MySQLEntityStoreTestSuite extends EntityStoreTestSuite
 {
     @BeforeAll