fix preview tests

src/main/java/xyz/mcutils/backend/controller/ServerController.java

@@ -67,7 +67,7 @@ public class ServerController {
         CachedMinecraftServer server = serverService.getServer(platform, hostname);
 
         return ResponseEntity.ok()
-                .cacheControl(CacheControl.maxAge(1, TimeUnit.HOURS).cachePublic())
+                .cacheControl(CacheControl.maxAge(5, TimeUnit.MINUTES).cachePublic())
                 .contentType(MediaType.IMAGE_PNG)
                 .header(HttpHeaders.CONTENT_DISPOSITION, dispositionHeader.formatted(hostname))
                 .body(serverService.getServerPreview(server, platform, size));

src/test/java/xyz/mcutils/backend/test/tests/ServerControllerTests.java

@@ -59,7 +59,7 @@ class ServerControllerTests {
 
     @Test
     public void ensureServerPreviewLookupSuccess() throws Exception {
-        mockMvc.perform(get("/server/preview/java/" + testServer)
+        mockMvc.perform(get("/server/java/preview/" + testServer)
                 .contentType(MediaType.IMAGE_PNG))
                 .andExpect(status().isOk());
     }