test: isolate logging exporter flush handlers

Author: ADITYA-CODE-SOURCE

exporters/logging/src/test/java/io/opentelemetry/exporter/logging/LoggingMetricExporterTest.java

@@ -89,16 +89,21 @@ void export() {
   @Test
   void flush() {
     AtomicBoolean flushed = new AtomicBoolean(false);
-    Logger.getLogger(LoggingMetricExporter.class.getName())
-        .addHandler(
-            new StreamHandler(new PrintStream(new ByteArrayOutputStream()), new SimpleFormatter()) {
-              @Override
-              public synchronized void flush() {
-                flushed.set(true);
-              }
-            });
-    exporter.flush();
-    assertThat(flushed.get()).isTrue();
+    Logger logger = Logger.getLogger(LoggingMetricExporter.class.getName());
+    StreamHandler handler =
+        new StreamHandler(new PrintStream(new ByteArrayOutputStream()), new SimpleFormatter()) {
+          @Override
+          public synchronized void flush() {
+            flushed.set(true);
+          }
+        };
+    logger.addHandler(handler);
+    try {
+      exporter.flush();
+      assertThat(flushed.get()).isTrue();
+    } finally {
+      logger.removeHandler(handler);
+    }
   }
 
   @Test

exporters/logging/src/test/java/io/opentelemetry/exporter/logging/LoggingSpanExporterTest.java

@@ -127,16 +127,21 @@ void export() {
   @Test
   void flush() {
     AtomicBoolean flushed = new AtomicBoolean(false);
-    Logger.getLogger(LoggingSpanExporter.class.getName())
-        .addHandler(
-            new StreamHandler(new PrintStream(new ByteArrayOutputStream()), new SimpleFormatter()) {
-              @Override
-              public synchronized void flush() {
-                flushed.set(true);
-              }
-            });
-    exporter.flush();
-    assertThat(flushed.get()).isTrue();
+    Logger logger = Logger.getLogger(LoggingSpanExporter.class.getName());
+    StreamHandler handler =
+        new StreamHandler(new PrintStream(new ByteArrayOutputStream()), new SimpleFormatter()) {
+          @Override
+          public synchronized void flush() {
+            flushed.set(true);
+          }
+        };
+    logger.addHandler(handler);
+    try {
+      exporter.flush();
+      assertThat(flushed.get()).isTrue();
+    } finally {
+      logger.removeHandler(handler);
+    }
   }
 
   @Test

integration-tests/graal-incubating/build.gradle.kts

@@ -1,6 +1,4 @@
 import org.gradle.api.JavaVersion
-import org.gradle.api.tasks.testing.Test
-
 plugins {
   id("otel.java-conventions")
   id("org.graalvm.buildtools.native")
@@ -46,9 +44,3 @@ graalvmNative {
     enabled.set(false)
   }
 }
-
-tasks.named<Test>("test") {
-  notCompatibleWithConfigurationCache(
-    "GraalVM native test agent options are not serializable for this task.",
-  )
-}