Added tests testGetHandleWithNullRunId and testVoidExecuteOverloadDiscardsNonVoidResult.

Renames: ActivityInfoStandaloneTest -> ActivityInfoImplTest, testDescribeNoToken -> testDescribe in ActivityHandleImplTest.

Author: GregoryTravis

temporal-sdk/src/test/java/io/temporal/client/functional/StandaloneActivityTest.java

@@ -602,6 +602,25 @@ public void testGetHandleTypedReturnsActivityHandleTyped() throws ActivityFailed
     assertEquals("echo:typed", typed.getResult());
   }
 
+  @Test
+  public void testGetHandleWithNullRunId() throws ActivityFailedException {
+    assumeTrue(SDKTestWorkflowRule.useExternalService);
+    ActivityClient client = newActivityClient();
+    String activityId = uniqueId();
+    client.start(SimpleActivity.class, SimpleActivity::execute, simpleOpts(activityId), "nullrun");
+
+    ActivityHandle<String> handle = client.getHandle(activityId, null, String.class);
+    assertEquals("echo:nullrun", handle.getResult());
+  }
+
+  @Test
+  public void testVoidExecuteOverloadDiscardsNonVoidResult() {
+    assumeTrue(SDKTestWorkflowRule.useExternalService);
+    // SimpleActivity.execute returns a non-void String; the void string-based overload must
+    // complete successfully and silently discard the return value.
+    newActivityClient().execute("SimpleActivity", simpleOpts(uniqueId()), "discard");
+  }
+
   @Test
   public void testExecuteVoidActivity() {
     assumeTrue(SDKTestWorkflowRule.useExternalService);

…activity/ActivityInfoStandaloneTest.java …ernal/activity/ActivityInfoImplTest.javatemporal-sdk/src/test/java/io/temporal/internal/activity/ActivityInfoStandaloneTest.java renamed to temporal-sdk/src/test/java/io/temporal/internal/activity/ActivityInfoImplTest.java temporal-sdk/src/test/java/io/temporal/internal/activity/ActivityInfoStandaloneTest.java renamed to temporal-sdk/src/test/java/io/temporal/internal/activity/ActivityInfoImplTest.java

@@ -11,7 +11,7 @@
 import org.junit.Test;
 
 /** Verifies that {@link ActivityInfoImpl} correctly handles standalone vs workflow-hosted tasks. */
-public class ActivityInfoStandaloneTest {
+public class ActivityInfoImplTest {
 
   private static final String NAMESPACE = "test-ns";
 

temporal-sdk/src/test/java/io/temporal/internal/client/ActivityHandleImplTest.java

@@ -52,7 +52,7 @@ public void testGetResultAsync() throws Exception {
   }
 
   @Test
-  public void testDescribeNoToken() {
+  public void testDescribe() {
     ActivityExecutionDescription desc = mock(ActivityExecutionDescription.class);
     DescribeActivityOutput output = new DescribeActivityOutput(desc);
     when(interceptor.describeActivity(any(DescribeActivityInput.class))).thenReturn(output);