diff --git a/tests/test_meta_tax_implication.py b/tests/test_meta_tax_implication.py
index 522b71ac56d32d2bbda3911dab5806d5ff668dc6..c5fd4178d2c86854d8dddcfcb674cefb25781fe1 100644
--- a/tests/test_meta_tax_implication.py
+++ b/tests/test_meta_tax_implication.py
@@ -58,7 +58,7 @@ def test_valid_values_on_postings(src_value, set_value):
     checker = meta_tax_implication.MetaTaxImplication()
     errors = list(checker.run(txn))
     assert not errors
-    assert txn.postings[-1].meta.get(TEST_KEY) == set_value
+    testutil.check_post_meta(txn, None, {TEST_KEY: set_value})
 
 @pytest.mark.parametrize('src_value', INVALID_VALUES)
 def test_invalid_values_on_postings(src_value):
@@ -69,6 +69,7 @@ def test_invalid_values_on_postings(src_value):
     checker = meta_tax_implication.MetaTaxImplication()
     errors = list(checker.run(txn))
     assert errors
+    testutil.check_post_meta(txn, None, {TEST_KEY: src_value})
 
 @pytest.mark.parametrize('src_value,set_value', VALID_VALUES.items())
 def test_valid_values_on_transactions(src_value, set_value):
@@ -79,7 +80,7 @@ def test_valid_values_on_transactions(src_value, set_value):
     checker = meta_tax_implication.MetaTaxImplication()
     errors = list(checker.run(txn))
     assert not errors
-    assert txn.postings[-1].meta.get(TEST_KEY) == set_value
+    testutil.check_post_meta(txn, None, {TEST_KEY: set_value})
 
 @pytest.mark.parametrize('src_value', INVALID_VALUES)
 def test_invalid_values_on_transactions(src_value):
@@ -90,6 +91,7 @@ def test_invalid_values_on_transactions(src_value):
     checker = meta_tax_implication.MetaTaxImplication()
     errors = list(checker.run(txn))
     assert errors
+    testutil.check_post_meta(txn, None, None)
 
 @pytest.mark.parametrize('account', [
     'Accrued:AccountsPayable',
@@ -97,13 +99,15 @@ def test_invalid_values_on_transactions(src_value):
     'Liabilities:CreditCard',
 ])
 def test_non_asset_accounts_skipped(account):
+    meta = {TEST_KEY: 'USA-Corporation'}
     txn = testutil.Transaction(postings=[
         (account, 25),
-        ('Assets:Cash', -25, {TEST_KEY: 'USA-Corporation'}),
+        ('Assets:Cash', -25, meta.copy()),
     ])
     checker = meta_tax_implication.MetaTaxImplication()
     errors = list(checker.run(txn))
     assert not errors
+    testutil.check_post_meta(txn, None, meta)
 
 def test_asset_credits_skipped():
     txn = testutil.Transaction(postings=[
@@ -113,7 +117,7 @@ def test_asset_credits_skipped():
     checker = meta_tax_implication.MetaTaxImplication()
     errors = list(checker.run(txn))
     assert not errors
-    assert not txn.postings[-1].meta
+    testutil.check_post_meta(txn, None, None)
 
 @pytest.mark.parametrize('date,need_value', [
     (testutil.EXTREME_FUTURE_DATE, False),
@@ -122,7 +126,7 @@ def test_asset_credits_skipped():
     (testutil.FY_MID_DATE, True),
     (testutil.PAST_DATE, False),
 ])
-def test_default_value_set_in_date_range(date, need_value):
+def test_validation_only_in_date_range(date, need_value):
     txn = testutil.Transaction(date=date, postings=[
         ('Liabilites:CreditCard', 25),
         ('Assets:Cash', -25),
@@ -130,3 +134,4 @@ def test_default_value_set_in_date_range(date, need_value):
     checker = meta_tax_implication.MetaTaxImplication()
     errors = list(checker.run(txn))
     assert bool(errors) == bool(need_value)
+    testutil.check_post_meta(txn, None, None)