dubbo-cluster module change integration test to unit test

Signed-off-by: “JermaineHua” <crazyhzm@gmail.com>

Author: CrazyHZM

dubbo-cluster/pom.xml

@@ -47,16 +47,6 @@
       <version>${project.parent.version}</version>
       <scope>test</scope>
     </dependency>
-    <dependency>
-      <groupId>org.apache.curator</groupId>
-      <artifactId>curator-framework</artifactId>
-      <scope>test</scope>
-    </dependency>
-    <dependency>
-      <groupId>org.apache.zookeeper</groupId>
-      <artifactId>zookeeper</artifactId>
-      <scope>test</scope>
-    </dependency>
     <dependency>
       <groupId>org.apache.dubbo</groupId>
       <artifactId>dubbo-serialization-hessian2</artifactId>
@@ -69,12 +59,6 @@
       <version>${project.parent.version}</version>
       <scope>test</scope>
     </dependency>
-    <dependency>
-      <groupId>org.apache.dubbo</groupId>
-      <artifactId>dubbo-test-check</artifactId>
-      <version>${project.parent.version}</version>
-      <scope>test</scope>
-    </dependency>
     <dependency>
       <groupId>org.apache.dubbo</groupId>
       <artifactId>dubbo-metrics-registry</artifactId>