diff --git a/tests/conftest.py b/tests/conftest.py
index 75cad67e4..a875ada97 100644
--- a/tests/conftest.py
+++ b/tests/conftest.py
@@ -64,9 +64,19 @@ def mock_store_client():
     return client
 
 
+@pytest.fixture()
+def mock_store_anonymous_client() -> mock.Mock:
+    return mock.Mock(spec_set=store.AnonymousClient)
+
+
 @pytest.fixture()
 def service_factory(
-    fs, fake_project_dir, fake_prime_dir, simple_charm, mock_store_client
+    fs,
+    fake_project_dir,
+    fake_prime_dir,
+    simple_charm,
+    mock_store_client,
+    mock_store_anonymous_client,
 ) -> services.CharmcraftServiceFactory:
     factory = services.CharmcraftServiceFactory(app=APP_METADATA)
 
@@ -78,6 +88,7 @@ def service_factory(
     factory.project = simple_charm
 
     factory.store.client = mock_store_client
+    factory.store.anonymous_client = mock_store_anonymous_client
 
     return factory
 
diff --git a/tests/unit/commands/test_store.py b/tests/unit/commands/test_store.py
index fe69d988a..774b3b376 100644
--- a/tests/unit/commands/test_store.py
+++ b/tests/unit/commands/test_store.py
@@ -164,7 +164,7 @@ def test_fetch_libs_no_charm_libs(
                 Could not find the following libraries on charmhub:
                 - lib: mysql.mysql
                   version: '1'
-                - lib: some_charm.lib
+                - lib: some-charm.lib
                   version: '1.2'
                 """
             ),
@@ -173,7 +173,7 @@ def test_fetch_libs_no_charm_libs(
 )
 def test_fetch_libs_missing_from_store(service_factory, libs, expected):
     service_factory.project.charm_libs = libs
-    service_factory.store.client.fetch_libraries_metadata.return_value = []
+    service_factory.store.anonymous_client.fetch_libraries_metadata.return_value = []
     fetch_libs = FetchLibs({"app": APP_METADATA, "services": service_factory})
 
     with pytest.raises(errors.CraftError) as exc_info:
@@ -213,8 +213,8 @@ def test_fetch_libs_missing_from_store(service_factory, libs, expected):
 )
 def test_fetch_libs_no_content(new_path, service_factory, libs, store_libs, dl_lib, expected):
     service_factory.project.charm_libs = libs
-    service_factory.store.client.fetch_libraries_metadata.return_value = store_libs
-    service_factory.store.client.get_library.return_value = dl_lib
+    service_factory.store.anonymous_client.fetch_libraries_metadata.return_value = store_libs
+    service_factory.store.anonymous_client.get_library.return_value = dl_lib
     fetch_libs = FetchLibs({"app": APP_METADATA, "services": service_factory})
 
     with pytest.raises(errors.CraftError, match=expected) as exc_info:
@@ -254,10 +254,10 @@ def test_fetch_libs_no_content(new_path, service_factory, libs, store_libs, dl_l
 )
 def test_fetch_libs_success(
     new_path, emitter, service_factory, libs, store_libs, dl_lib, expected
-):
+) -> None:
     service_factory.project.charm_libs = libs
-    service_factory.store.client.fetch_libraries_metadata.return_value = store_libs
-    service_factory.store.client.get_library.return_value = dl_lib
+    service_factory.store.anonymous_client.fetch_libraries_metadata.return_value = store_libs
+    service_factory.store.anonymous_client.get_library.return_value = dl_lib
     fetch_libs = FetchLibs({"app": APP_METADATA, "services": service_factory})
 
     fetch_libs.run(argparse.Namespace())
diff --git a/tests/unit/services/test_store.py b/tests/unit/services/test_store.py
index ec4730d07..540b6629d 100644
--- a/tests/unit/services/test_store.py
+++ b/tests/unit/services/test_store.py
@@ -35,6 +35,7 @@
 def store(service_factory) -> services.StoreService:
     store = services.StoreService(app=application.APP_METADATA, services=service_factory)
     store.client = mock.Mock(spec_set=client.Client)
+    store.anonymous_client = mock.Mock(spec_set=client.AnonymousClient)
     return store
 
 
@@ -232,11 +233,11 @@ def test_get_credentials(monkeypatch, store):
         ([], []),
         (
             [CharmLib(lib="my_charm.my_lib", version="1")],
-            [{"charm-name": "my_charm", "library-name": "my_lib", "api": 1}],
+            [{"charm-name": "my-charm", "library-name": "my_lib", "api": 1}],
         ),
         (
             [CharmLib(lib="my_charm.my_lib", version="1.0")],
-            [{"charm-name": "my_charm", "library-name": "my_lib", "api": 1, "patch": 0}],
+            [{"charm-name": "my-charm", "library-name": "my_lib", "api": 1, "patch": 0}],
         ),
     ],
 )
@@ -244,4 +245,4 @@ def test_fetch_libraries_metadata(monkeypatch, store, libs, expected_call):
 
     store.get_libraries_metadata(libs)
 
-    store.client.fetch_libraries_metadata.assert_called_once_with(expected_call)
+    store.anonymous_client.fetch_libraries_metadata.assert_called_once_with(expected_call)