diff --git a/src/test/java/io/cryostat/JsonRequestFilterTest.java b/src/test/java/io/cryostat/JsonRequestFilterTest.java
index d2668cde0..0540104a0 100644
--- a/src/test/java/io/cryostat/JsonRequestFilterTest.java
+++ b/src/test/java/io/cryostat/JsonRequestFilterTest.java
@@ -25,9 +25,11 @@
 import jakarta.ws.rs.container.ContainerRequestContext;
 import jakarta.ws.rs.core.MediaType;
 import jakarta.ws.rs.core.Response;
+import jakarta.ws.rs.core.UriInfo;
 import org.junit.jupiter.api.BeforeEach;
 import org.junit.jupiter.params.ParameterizedTest;
 import org.junit.jupiter.params.provider.MethodSource;
+import org.mockito.Mockito;
 
 public class JsonRequestFilterTest {
     private JsonRequestFilter filter;
@@ -76,6 +78,9 @@ private void simulateRequest(String jsonPayload) throws Exception {
                 new ByteArrayInputStream(jsonPayload.getBytes(StandardCharsets.UTF_8));
         when(requestContext.getEntityStream()).thenReturn(payloadStream);
         when(requestContext.getMediaType()).thenReturn(MediaType.APPLICATION_JSON_TYPE);
+        UriInfo uriInfo = Mockito.mock(UriInfo.class);
+        when(uriInfo.getPath()).thenReturn("/api/v3/rules");
+        when(requestContext.getUriInfo()).thenReturn(uriInfo);
         filter.filter(requestContext);
     }
 }