Don't run the tests against the in-memory server as it doesn't support SANO yet

Author: Evanthx

temporal-sdk/src/test/java/io/temporal/client/nexus/NexusAsyncApiTest.java

@@ -1,7 +1,5 @@
 package io.temporal.client.nexus;
 
-import static org.junit.Assume.assumeTrue;
-
 import io.temporal.api.nexus.v1.Endpoint;
 import io.temporal.client.NexusClient;
 import io.temporal.client.NexusClientOptions;
@@ -14,6 +12,7 @@
 import io.temporal.client.UntypedNexusServiceClient;
 import io.temporal.testing.internal.SDKTestWorkflowRule;
 import io.temporal.workflow.shared.EchoNexusServiceImpl;
+import io.temporal.workflow.shared.StandaloneNexusTestPrerequisites;
 import io.temporal.workflow.shared.TestNexusServices;
 import io.temporal.workflow.shared.TestWorkflows;
 import java.time.Duration;
@@ -44,11 +43,8 @@ public class NexusAsyncApiTest {
           .build();
 
   @BeforeClass
-  public static void requireExternalService() {
-    // The time-skipping test server does not implement standalone Nexus operation RPCs.
-    assumeTrue(
-        "standalone Nexus operations require a real server",
-        SDKTestWorkflowRule.useExternalService);
+  public static void requireServerWithStandaloneNexusSupport() {
+    StandaloneNexusTestPrerequisites.requireServerSupport();
   }
 
   // --- NexusServiceClient.executeAsync ---

temporal-sdk/src/test/java/io/temporal/client/nexus/NexusClientTest.java

@@ -1,7 +1,5 @@
 package io.temporal.client.nexus;
 
-import static org.junit.Assume.assumeTrue;
-
 import io.temporal.api.nexus.v1.Endpoint;
 import io.temporal.client.NexusClient;
 import io.temporal.client.NexusOperationExecutionCount;
@@ -11,6 +9,7 @@
 import io.temporal.client.UntypedNexusServiceClient;
 import io.temporal.testing.internal.SDKTestWorkflowRule;
 import io.temporal.workflow.shared.EchoNexusServiceImpl;
+import io.temporal.workflow.shared.StandaloneNexusTestPrerequisites;
 import io.temporal.workflow.shared.TestNexusServices;
 import io.temporal.workflow.shared.TestWorkflows;
 import java.time.Duration;
@@ -33,11 +32,8 @@ public class NexusClientTest {
           .build();
 
   @BeforeClass
-  public static void requireExternalService() {
-    // The time-skipping test server does not implement standalone Nexus operation RPCs.
-    assumeTrue(
-        "standalone Nexus operations require a real server",
-        SDKTestWorkflowRule.useExternalService);
+  public static void requireServerWithStandaloneNexusSupport() {
+    StandaloneNexusTestPrerequisites.requireServerSupport();
   }
 
   @Test

temporal-sdk/src/test/java/io/temporal/client/nexus/NexusOperationHandleTest.java

@@ -1,7 +1,5 @@
 package io.temporal.client.nexus;
 
-import static org.junit.Assume.assumeTrue;
-
 import io.temporal.api.enums.v1.NexusOperationExecutionStatus;
 import io.temporal.api.nexus.v1.Endpoint;
 import io.temporal.client.NexusClient;
@@ -15,6 +13,7 @@
 import io.temporal.client.UntypedNexusServiceClient;
 import io.temporal.testing.internal.SDKTestWorkflowRule;
 import io.temporal.workflow.shared.EchoNexusServiceImpl;
+import io.temporal.workflow.shared.StandaloneNexusTestPrerequisites;
 import io.temporal.workflow.shared.TestNexusServices;
 import io.temporal.workflow.shared.TestWorkflows;
 import java.time.Duration;
@@ -39,11 +38,8 @@ public class NexusOperationHandleTest {
           .build();
 
   @BeforeClass
-  public static void requireExternalService() {
-    // The time-skipping test server does not implement standalone Nexus operation RPCs.
-    assumeTrue(
-        "standalone Nexus operations require a real server",
-        SDKTestWorkflowRule.useExternalService);
+  public static void requireServerWithStandaloneNexusSupport() {
+    StandaloneNexusTestPrerequisites.requireServerSupport();
   }
 
   @Test

temporal-sdk/src/test/java/io/temporal/client/nexus/NexusServiceClientTest.java

@@ -1,7 +1,5 @@
 package io.temporal.client.nexus;
 
-import static org.junit.Assume.assumeTrue;
-
 import io.temporal.api.nexus.v1.Endpoint;
 import io.temporal.client.NexusClientOptions;
 import io.temporal.client.NexusOperationExecutionDescription;
@@ -11,6 +9,7 @@
 import io.temporal.client.UntypedNexusOperationHandle;
 import io.temporal.testing.internal.SDKTestWorkflowRule;
 import io.temporal.workflow.shared.EchoNexusServiceImpl;
+import io.temporal.workflow.shared.StandaloneNexusTestPrerequisites;
 import io.temporal.workflow.shared.TestNexusServices;
 import io.temporal.workflow.shared.TestWorkflows;
 import java.time.Duration;
@@ -34,11 +33,8 @@ public class NexusServiceClientTest {
           .build();
 
   @BeforeClass
-  public static void requireExternalService() {
-    // The time-skipping test server does not implement standalone Nexus operation RPCs.
-    assumeTrue(
-        "standalone Nexus operations require a real server",
-        SDKTestWorkflowRule.useExternalService);
+  public static void requireServerWithStandaloneNexusSupport() {
+    StandaloneNexusTestPrerequisites.requireServerSupport();
   }
 
   @Test