Add props change to LGTM re-load test

Author: alesj

integration-tests/observability-lgtm/src/test/java/io/quarkus/observability/test/LgtmReloadTest.java

@@ -20,7 +20,10 @@ public class LgtmReloadTest extends LgtmTestHelper {
 
     @RegisterExtension
     static final QuarkusDevModeTest test = new QuarkusDevModeTest()
-            .withApplicationRoot((jar) -> jar.addClasses(ReloadEndpoint.class, ConfigEndpoint.class));
+            .withApplicationRoot(
+                    jar -> jar.addClasses(ReloadEndpoint.class, ConfigEndpoint.class)
+                            .addAsResource("application.properties",
+                                    "application.properties"));
 
     @Override
     protected String grafanaEndpoint() {
@@ -32,5 +35,7 @@ public void testReload() {
         poke("/reload");
         test.modifySourceFile(ReloadEndpoint.class, s -> s.replace("/reload", "/new"));
         poke("/new");
+        test.modifyResourceFile("application.properties", s -> s.replace("timeout=PT1M", "timeout=PT2M"));
+        poke("/new");
     }
 }

integration-tests/observability-lgtm/src/test/resources/application.properties

@@ -8,3 +8,5 @@ quarkus.log.category."io.quarkus.devservices".level=DEBUG
 quarkus.micrometer.export.otlp.enabled=true
 quarkus.micrometer.export.otlp.publish=true
 quarkus.micrometer.export.otlp.step=PT5S
+
+quarkus.observability.lgtm.timeout=PT1M