diff --git a/tests/test_algorithm.py b/tests/test_algorithm.py
index 309d96a5..81e842ee 100644
--- a/tests/test_algorithm.py
+++ b/tests/test_algorithm.py
@@ -939,7 +939,7 @@ def before_trading_start(context, data):
             sim_params=self.sim_params,
             env=self.env,
         )
-        # Ensure that the environment's asset 0 is a Future
+        # Ensure that the environment's asset 3 is a Future
         asset_to_test = algo.sid(3)
         self.assertIsInstance(asset_to_test, Future)
 
@@ -1019,7 +1019,7 @@ def before_trading_start(context, data):
             sim_params = SimulationParameters(
                 start_session=start_session,
                 end_session=period_end,
-                capital_base=float("1.0e5"),
+                capital_base=1.0e5,
                 data_frequency='minute',
                 trading_calendar=self.trading_calendar,
             )
@@ -3701,7 +3701,7 @@ class TestEquityAutoClose(WithTmpDir, WithTradingCalendars, ZiplineTestCase):
         cls.first_asset_expiration = cls.test_days[2]
 
     def make_data(self, auto_close_delta, frequency,
-                  capital_base=float("1.0e5")):
+                  capital_base=1.0e5):
 
         asset_info = make_jagged_equity_info(
             num_assets=3,
diff --git a/zipline/test_algorithms.py b/zipline/test_algorithms.py
index 7fe1713d..aeb9279c 100644
--- a/zipline/test_algorithms.py
+++ b/zipline/test_algorithms.py
@@ -411,7 +411,7 @@ class TestTargetPercentAlgorithm(TradingAlgorithm):
 
     def handle_data(self, data):
         if not self.ordered:
-            assert 0 not in self.portfolio.positions
+            assert not self.portfolio.positions
         else:
             # Since you can't own fractional shares (at least in this
             # example), we want to make sure that our target amount is
@@ -429,7 +429,7 @@ class TestTargetPercentAlgorithm(TradingAlgorithm):
                 "Orders not filled at current price."
 
         self.sale_price = data.current(sid(0), "price")
-        self._order(self.sid(0), .002)
+        self._order(sid(0), .002)
         self.ordered = True
 
     def _order(self, asset, target):