diff --git a/climate_health/datatypes.py b/climate_health/datatypes.py
index 50d58c87..e937497f 100644
--- a/climate_health/datatypes.py
+++ b/climate_health/datatypes.py
@@ -1,7 +1,7 @@
 import bionumpy as bnp
 
 
-@bnp.bnpdataclass
+@bnp.bnpdataclass.bnpdataclass
 class ClimateHealthTimeSeries:
     time_period: str
     rainfall: float
@@ -9,7 +9,7 @@ class ClimateHealthTimeSeries:
     disease_cases: int
 
 
-@bnp.bnpdataclass
+@bnp.bnpdataclass.bnpdataclass
 class LocatedClimateHealthTimeSeries(ClimateHealthTimeSeries):
     time_period: str
     rainfall: float
diff --git a/climate_health/simulation/random_noise_simulator.py b/climate_health/simulation/random_noise_simulator.py
index 4bdd8a5d..25343a2c 100644
--- a/climate_health/simulation/random_noise_simulator.py
+++ b/climate_health/simulation/random_noise_simulator.py
@@ -1,5 +1,6 @@
 from climate_health.datatypes import ClimateHealthTimeSeries
 import numpy as np
+from climate_health.simulation.simulator import Simulator
 
 
 class RandomNoiseSimulator(Simulator):
@@ -13,7 +14,8 @@ def __init__(self, n_time_points: int):
     def simulate(self) -> ClimateHealthTimeSeries:
         """Simulate the model for the given parameters."""
         return ClimateHealthTimeSeries(
-            time_period=[],
+            time_period=[str(i) for i in range(self.n_time_points)],
             rainfall=np.random.randn(self.n_time_points),
-            mean_temperature=[]
+            mean_temperature=np.random.randn(self.n_time_points),
+            disease_cases=np.random.poisson(10, self.n_time_points)
         )
\ No newline at end of file
diff --git a/climate_health/simulation/simulator.py b/climate_health/simulation/simulator.py
index 323dc7ed..bc360b58 100644
--- a/climate_health/simulation/simulator.py
+++ b/climate_health/simulation/simulator.py
@@ -11,5 +11,5 @@ def simulate(self) -> ClimateHealthTimeSeries:
         """Simulate the model for the given parameters."""
         ...
 
-class RandomNoise
+
 
diff --git a/tests/simulation/test_random_noise_simulator.py b/tests/simulation/test_random_noise_simulator.py
new file mode 100644
index 00000000..84d73f58
--- /dev/null
+++ b/tests/simulation/test_random_noise_simulator.py
@@ -0,0 +1,9 @@
+from climate_health.datatypes import ClimateHealthTimeSeries
+from climate_health.simulation.random_noise_simulator import RandomNoiseSimulator
+
+
+def test_random_noise_simulator():
+    my_simulator = RandomNoiseSimulator(10)
+    data = my_simulator.simulate()
+    assert len(data.time_period) == 10
+    assert isinstance(data, ClimateHealthTimeSeries)