Only show Workspaces in the side nav if the current user has a workspace

tests/routes/test_home.py

@@ -0,0 +1,19 @@
+from tests.factories import UserFactory, WorkspaceFactory
+from atst.domain.workspaces import Workspaces
+
+
+def test_user_with_workspaces_has_workspaces_nav(client, user_session):
+    user = UserFactory.create()
+    workspace = WorkspaceFactory.create()
+    Workspaces._create_workspace_role(user, workspace, "default")
+
+    user_session(user)
+    response = client.get("/home")
+    assert b'href="/workspaces"' in response.data
+
+
+def test_user_without_workspaces_has_no_workspaces_nav(client, user_session):
+    user = UserFactory.create()
+    user_session(user)
+    response = client.get("/home")
+    assert b'href="/workspaces"' not in response.data