docstr: Test that all labels are added in correct order.
docstr_tok: ["Test","that","all","labels","are","added","in","correct","order","."]
code: def test_returns_all_expected_tabs(self):
      """Test that all labels are added in correct order."""
      tabs = st.tabs([f"tab {i}" for i in range(5)])
  
      self.assertEqual(len(tabs), 5)
  
      for tab in tabs:
          with tab:
              pass
  
      all_deltas = self.get_all_deltas_from_queue()
  
      tabs_block = all_deltas[1:]
      # 6 elements will be created: 1 horizontal block, 5 tabs
      self.assertEqual(len(all_deltas), 6)
      self.assertEqual(len(tabs_block), 5)
      for index, tabs_block in enumerate(tabs_block):
          self.assertEqual(
              tabs_block.add_block.tab.label, f"tab {index}"
          )
  
imports: import streamlit
  from streamlit.errors import StreamlitAPIException
  from tests.delta_generator_test_case import DeltaGeneratorTestCase
label_desc: Use image node_id 3 for calling the TabsTest obj's underlying member method code with example usage: obj.test_returns_all_expected_tabs() without return types