diff --git a/tests/test_formater_influxdb.py b/tests/test_formater_influxdb.py
index e76f29a..14e6673 100644
--- a/tests/test_formater_influxdb.py
+++ b/tests/test_formater_influxdb.py
@@ -1,17 +1,21 @@
 from datetime import datetime, timedelta
 from formatters.influxdb_formatter import MetricsInfluxdbFormatter
 from metrics.metrics_result import MetricsResults, MetricsTimeSeries
+import pytz
 
 
 def test_format_metrics_results():
     date = datetime.now()
-    metrics = MetricsResults(data={"v1": 1, "v2": 1, "v3": 2}, metadata={"project": 1}, date=date)
+    metrics = MetricsResults(data={"v1": 1, "v2": 1, "v3": 2},
+                             metadata={"project": 1},
+                             date=date)
     lines = MetricsInfluxdbFormatter.format("test", metrics)
-    assert lines[0] == f"test,project=1 v1=1,v2=1,v3=2 {int(date.timestamp() * 1e9)}"
+    date_as_e9 = int(date.timestamp() * 1e9)
+    assert lines[0] == f"test,project=1 v1=1,v2=1,v3=2 {date_as_e9}"
 
 
 def test_format_metrics_time_series():
-    date1 = datetime.now()
+    date1 = datetime.now(tz=pytz.UTC)
     date2 = date1 + timedelta(days=1)
     metrics_time_series = MetricsTimeSeries()
 
@@ -22,15 +26,18 @@ def test_format_metrics_time_series():
             {"date": date2, "v1": 2, "v2": 2, "v3": 3},
         ]
     )
-
     lines = MetricsInfluxdbFormatter.format("test", metrics_time_series)
-    assert lines[0] == f"test,project=containers v1=1,v2=1,v3=2 {int(date1.timestamp() * 1e9)}"
-    assert lines[1] == f"test,project=containers v1=2,v2=2,v3=3 {int(date2.timestamp() * 1e9)}"
+    date1_as_e9 = int(date1.timestamp() * 1e9)
+    date2_as_e9 = int(date2.timestamp() * 1e9)
+    assert lines[0] == f"test,project=containers v1=1,v2=1,v3=2 {date1_as_e9}"
+    assert lines[1] == f"test,project=containers v1=2,v2=2,v3=3 {date2_as_e9}"
 
 
 def test_print_metrics_results(capsys):
     date = datetime.now()
-    metrics = MetricsResults(data={"v1": 1, "v2": 1, "v3": 2}, metadata={"project": 1}, date=date)
+    metrics = MetricsResults(data={"v1": 1, "v2": 1, "v3": 2},
+                             metadata={"project": 1},
+                             date=date)
     MetricsInfluxdbFormatter.print("test", metrics)
 
     captured = capsys.readouterr()