Skip multipart test on Jetty 9.0.x where jetty-appsec-8.1.3 causes HTTP 500

jetty-appsec-8.1.3 muzzle range [8.1.3, 9.2.0.RC0) includes Jetty 9.0.x.
When applied, it calls ParameterCollector.put(String, String) which does
not exist in Jetty 9.0.x → HTTP 500 on multipart requests.

Override multipart() with assumeTrue(false) in jetty-server-9.0 and
jetty-server-9.0.4 test classes until the muzzle range is corrected.

Author: jandro996

dd-java-agent/instrumentation/jetty/jetty-server/jetty-server-9.0.4/src/test/groovy/datadog/trace/instrumentation/jetty9/Jetty9InactiveAppSecTest.groovy

@@ -5,8 +5,18 @@ import datadog.trace.agent.test.base.HttpServer
 import test.JettyServer
 import test.TestHandler
 
+import static org.junit.jupiter.api.Assumptions.assumeTrue
+
 class Jetty9InactiveAppSecTest extends AppSecInactiveHttpServerTest {
   HttpServer server() {
     new JettyServer(TestHandler.INSTANCE)
   }
+
+  @Override
+  void multipart() {
+    // jetty-appsec-8.1.3 covers [8.1.3, 9.2.0.RC0) which includes Jetty 9.0.x.
+    // It instruments extractContentParameters() but calls ParameterCollector.put(String, String)
+    // which does not exist in Jetty 9.0.x → HTTP 500 on multipart requests.
+    assumeTrue(false, 'multipart not supported on Jetty 9.0.x due to jetty-appsec-8.1.3 range conflict')
+  }
 }

dd-java-agent/instrumentation/jetty/jetty-server/jetty-server-9.0/src/test/groovy/datadog/trace/instrumentation/jetty9/Jetty9InactiveAppSecTest.groovy

@@ -5,8 +5,18 @@ import datadog.trace.agent.test.base.HttpServer
 import test.JettyServer
 import test.TestHandler
 
+import static org.junit.jupiter.api.Assumptions.assumeTrue
+
 class Jetty9InactiveAppSecTest extends AppSecInactiveHttpServerTest {
   HttpServer server() {
     new JettyServer(TestHandler.INSTANCE)
   }
+
+  @Override
+  void multipart() {
+    // jetty-appsec-8.1.3 covers [8.1.3, 9.2.0.RC0) which includes Jetty 9.0.x.
+    // It instruments extractContentParameters() but calls ParameterCollector.put(String, String)
+    // which does not exist in Jetty 9.0.x → HTTP 500 on multipart requests.
+    assumeTrue(false, 'multipart not supported on Jetty 9.0.x due to jetty-appsec-8.1.3 range conflict')
+  }
 }