diff --git a/network-store-client/src/test/java/com/powsybl/network/store/client/PreloadingNetworkStoreClientTest.java b/network-store-client/src/test/java/com/powsybl/network/store/client/PreloadingNetworkStoreClientTest.java
index c80c5a01d..4ab5eba71 100644
--- a/network-store-client/src/test/java/com/powsybl/network/store/client/PreloadingNetworkStoreClientTest.java
+++ b/network-store-client/src/test/java/com/powsybl/network/store/client/PreloadingNetworkStoreClientTest.java
@@ -831,7 +831,7 @@ public void testGetExtensionCache() throws IOException {
 
         String extensionAttributes = objectMapper.writerFor(new TypeReference<Map<String, ExtensionAttributes>>() {
         }).writeValueAsString(Map.of(identifiableId1, apc1, identifiableId2, apc2));
-        server.expect(ExpectedCount.once(), requestTo("/networks/" + networkUuid + "/" + Resource.INITIAL_VARIANT_NUM + "/identifiables/types/" + ResourceType.GENERATOR + "/extensions/activepowercontrol"))
+²        server.expect(ExpectedCount.once(), requestTo("/networks/" + networkUuid + "/" + Resource.INITIAL_VARIANT_NUM + "/identifiables/types/" + ResourceType.GENERATOR + "/extensions/activepowercontrol"))
                 .andExpect(method(GET))
                 .andRespond(withSuccess(extensionAttributes, MediaType.APPLICATION_JSON));