Refactor the jaxrs tests to make it easier to add more later.

proxy-wasm-jaxrs/src/test/java/io/roastedroot/proxywasm/jaxrs/HttpHeadersResource.java

@@ -0,0 +1,14 @@
+package io.roastedroot.proxywasm.jaxrs;
+
+import jakarta.ws.rs.GET;
+import jakarta.ws.rs.Path;
+
+@Path("/http_headers")
+public class HttpHeadersResource {
+
+    @GET
+    @NamedWasmPlugin("http_headers")
+    public String get() {
+        return "hello world";
+    }
+}

proxy-wasm-jaxrs/src/test/java/io/roastedroot/proxywasm/jaxrs/HttpHeadersTest.java

@@ -0,0 +1,40 @@
+package io.roastedroot.proxywasm.jaxrs;
+
+import static io.restassured.RestAssured.given;
+import static io.roastedroot.proxywasm.jaxrs.TestHelpers.EXAMPLES_DIR;
+import static org.hamcrest.Matchers.equalTo;
+
+import com.dylibso.chicory.wasm.Parser;
+import io.quarkus.test.junit.QuarkusTest;
+import io.roastedroot.proxywasm.StartException;
+import jakarta.enterprise.inject.Produces;
+import java.nio.file.Path;
+import org.junit.jupiter.api.Test;
+
+@QuarkusTest
+public class HttpHeadersTest {
+
+    @Produces
+    public WasmPluginFactory create() throws StartException {
+        return () ->
+                WasmPlugin.builder()
+                        .withName("http_headers")
+                        .withPluginConfig("{\"header\": \"x-wasm-header\", \"value\": \"foo\"}")
+                        .build(
+                                Parser.parse(
+                                        Path.of(
+                                                EXAMPLES_DIR
+                                                        + "/go-examples/http_headers/main.wasm")));
+    }
+
+    @Test
+    public void testRequest() {
+        given().when()
+                .get("/http_headers")
+                .then()
+                .statusCode(200)
+                .header("x-proxy-wasm-go-sdk-example", "http_headers")
+                .header("x-wasm-header", "foo")
+                .body(equalTo("hello world"));
+    }
+}

proxy-wasm-jaxrs/src/test/java/io/roastedroot/proxywasm/jaxrs/TestHelpers.java

@@ -0,0 +1,7 @@
+package io.roastedroot.proxywasm.jaxrs;
+
+public final class TestHelpers {
+    private TestHelpers() {}
+
+    public static final String EXAMPLES_DIR = "../proxy-wasm-java-host/src/test";
+}