resolve build issues

.github/workflows/buildMaven.yml

@@ -12,7 +12,7 @@ name: Build ActiveMQ CRDR artifact
 on:
   push:
     branches:
-      - activemq-5.18.2.crdr
+      - 5.17.6.crdr
 
 jobs:
   build:

.github/workflows/fullTestRun.yml

@@ -7,12 +7,12 @@
 #    CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing
 #    permissions and limitations under the License.
 
-name: run full test suite on 5.18.2.crdr branch
+name: run full test suite on 5.17.6.crdr branch
 
 on:
   push:
     branches:
-      - activemq-5.18.2.crdr
+      - 5.17.6.crdr
   workflow_dispatch:
 
 jobs:

activemq-broker/pom.xml

@@ -89,6 +89,17 @@
       <groupId>com.fasterxml.jackson.core</groupId>
       <artifactId>jackson-databind</artifactId>
     </dependency>
+    <dependency>
+      <groupId>org.assertj</groupId>
+      <artifactId>assertj-core</artifactId>
+      <version>3.11.1</version>
+      <scope>test</scope>
+    </dependency>
+    <dependency>
+      <groupId>org.mockito</groupId>
+      <artifactId>mockito-core</artifactId>
+      <scope>test</scope>
+    </dependency>
   </dependencies>
 
   <reporting>

activemq-broker/src/main/java/org/apache/activemq/replica/DummyConnection.java

@@ -123,6 +123,11 @@ public Long getOldestActiveTransactionDuration() {
         return null;
     }
 
+    @Override
+    public Long getConnectedTimestamp() {
+        return null;
+    }
+
     @Override
     public void start() throws Exception {
     }