diff --git a/config/clients/java/template/build.gradle.mustache b/config/clients/java/template/build.gradle.mustache
index c0fd5c14..592bc04a 100644
--- a/config/clients/java/template/build.gradle.mustache
+++ b/config/clients/java/template/build.gradle.mustache
@@ -96,6 +96,17 @@ testing {
                 // See also: https://github.com/PGSSoft/HttpClientMock/issues/3
                 implementation "com.pgs-soft:HttpClientMock:1.0.0"
             }
+
+            targets {
+                all {
+                    testTask.configure {
+                        testLogging {
+                            exceptionFormat = org.gradle.api.tasks.testing.logging.TestExceptionFormat.FULL
+                            showStandardStreams = true
+                        }
+                    }
+                }
+            }
         }
         integration(JvmTestSuite) {
             testType = TestSuiteType.INTEGRATION_TEST
@@ -112,6 +123,17 @@ testing {
                     srcDirs = ['src/test-integration/java']
                 }
             }
+
+            targets {
+                all {
+                    testTask.configure {
+                        testLogging {
+                            exceptionFormat = org.gradle.api.tasks.testing.logging.TestExceptionFormat.FULL
+                            showStandardStreams = true
+                        }
+                    }
+                }
+            }
         }
     }
 }
diff --git a/config/clients/java/template/client-OpenFgaClientIntegrationTest.java.mustache b/config/clients/java/template/client-OpenFgaClientIntegrationTest.java.mustache
index 42f16890..4f38673e 100644
--- a/config/clients/java/template/client-OpenFgaClientIntegrationTest.java.mustache
+++ b/config/clients/java/template/client-OpenFgaClientIntegrationTest.java.mustache
@@ -238,10 +238,17 @@ public class OpenFgaClientIntegrationTest {
         ClientExpandResponse response = fga.expand(expandRequest).get();
 
         // Then
+        assertNotNull(response);
         assertNotNull(response.getTree());
-        assertEquals(
-                "{\"tree\":{\"root\":{\"name\":\"document:2021-budget#reader\",\"leaf\":{\"users\":{\"users\":[\"user:81684243-9356-4421-8fbf-a4f8d36aa31b\"]}}}}}",
-                response.getRawResponse());
+        assertNotNull(response.getTree().getRoot());
+        var root = response.getTree().getRoot();
+        assertEquals(DEFAULT_DOC + "#reader", root.getName());
+        assertNotNull(root.getLeaf());
+        assertNotNull(root.getLeaf().getUsers());
+        assertNotNull(root.getLeaf().getUsers().getUsers());
+        var users = root.getLeaf().getUsers().getUsers();
+        assertEquals(1, users.size());
+        assertEquals(DEFAULT_USER, users.get(0));
     }
 
     @Test