Add test_fork_pre_activation test case

Author: hwwhww

tests/core/pyspec/eth2spec/test/electra/fork/test_electra_fork_basic.py

@@ -82,6 +82,18 @@ def test_fork_random_large_validator_set(spec, phases, state):
     yield from run_fork_test(phases[ELECTRA], state)
 
 
+@with_phases(phases=[DENEB], other_phases=[ELECTRA])
+@spec_test
+@with_state
+@with_meta_tags(ELECTRA_FORK_TEST_META_TAGS)
+def test_fork_pre_activation(spec, phases, state):
+    post_spec = phases[ELECTRA]
+    state.validators[0].activation_epoch = spec.FAR_FUTURE_EPOCH
+    post_state = yield from run_fork_test(post_spec, state)
+
+    assert len(post_state.pending_balance_deposits) > 0
+
+
 @with_phases(phases=[DENEB], other_phases=[ELECTRA])
 @spec_test
 @with_state