fixes tests after weaviate update

Author: aliszka

src/test/java/io/weaviate/integration/client/cluster/ClientClusterTest.java

@@ -57,7 +57,7 @@ public void testClusterNodesEndpointWithoutData() {
 
     NodesStatusResponse.NodeStatus nodeStatus = nodes.getNodes()[0];
     assertThat(nodeStatus.getName()).isNotBlank();
-    assertThat(nodeStatus.getShards()).hasSize(0);
+    assertThat(nodeStatus.getShards()).isNull();
     assertThat(nodeStatus)
       .returns(EXPECTED_WEAVIATE_VERSION, NodesStatusResponse.NodeStatus::getVersion)
       .returns(EXPECTED_WEAVIATE_GIT_HASH, NodesStatusResponse.NodeStatus::getGitHash)

src/test/java/io/weaviate/integration/client/misc/ClientMiscTest.java

@@ -64,7 +64,7 @@ public void testMiscMetaEndpoint() {
     assertEquals("http://[::]:8080", meta.getResult().getHostname());
     assertEquals(EXPECTED_WEAVIATE_VERSION, meta.getResult().getVersion());
     assertEquals("{backup-filesystem={backupsPath=/tmp/backups}, " +
-      "generative-openai={documentationHref=https://beta.openai.com/docs/api-reference/completions, name=Generative Search - OpenAI}, " +
+      "generative-openai={documentationHref=https://platform.openai.com/docs/api-reference/completions, name=Generative Search - OpenAI}, " +
       "text2vec-contextionary={version=en0.16.0-v1.2.1, wordCount=818072.0}}", meta.getResult().getModules().toString());
   }
 }