Disable loading favicion.ico for vaadin 14 tests (#4856)

instrumentation/vaadin-14.2/javaagent/src/vaadin142Test/java/test/vaadin/ApplicationServiceInitListener.java

@@ -0,0 +1,20 @@
+/*
+ * Copyright The OpenTelemetry Authors
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+package test.vaadin;
+
+import com.vaadin.flow.server.ServiceInitEvent;
+import com.vaadin.flow.server.VaadinServiceInitListener;
+
+public class ApplicationServiceInitListener implements VaadinServiceInitListener {
+  @Override
+  public void serviceInit(ServiceInitEvent event) {
+    event.addBootstrapListener(
+        response -> {
+          // ensure that there is no need to request favicon.ico
+          response.getDocument().head().append("<link rel=\"icon\" href=\"data:,\">");
+        });
+  }
+}

instrumentation/vaadin-14.2/javaagent/src/vaadin142Test/resources/META-INF/services/com.vaadin.flow.server.VaadinServiceInitListener

@@ -0,0 +1 @@
+test.vaadin.ApplicationServiceInitListener

instrumentation/vaadin-14.2/javaagent/src/vaadin14LatestTest/java/test/vaadin/ApplicationServiceInitListener.java

@@ -0,0 +1,20 @@
+/*
+ * Copyright The OpenTelemetry Authors
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+package test.vaadin;
+
+import com.vaadin.flow.server.ServiceInitEvent;
+import com.vaadin.flow.server.VaadinServiceInitListener;
+
+public class ApplicationServiceInitListener implements VaadinServiceInitListener {
+  @Override
+  public void serviceInit(ServiceInitEvent event) {
+    event.addBootstrapListener(
+        response -> {
+          // ensure that there is no need to request favicon.ico
+          response.getDocument().head().append("<link rel=\"icon\" href=\"data:,\">");
+        });
+  }
+}

instrumentation/vaadin-14.2/javaagent/src/vaadin14LatestTest/resources/META-INF/services/com.vaadin.flow.server.VaadinServiceInitListener

@@ -0,0 +1 @@
+test.vaadin.ApplicationServiceInitListener