diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 3f8b4d3f68841c6d4d3a0d9247d628114eb5c08e..bac7087e6cf07a45826e2000d5f15a178d817206 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -8,6 +8,7 @@ test_topfarm:  # name the job what we like
   stage:  # build, test, deploy defined by default [2]
     test
   script:
+  - pip install --upgrade git+git://github.com/FUSED-Wind/FUSED-Wake@master
   - cd tests; py.test
   tags:  # only runners with this tag can do the job [3]
   - python
diff --git a/tests/test_costmodel_utils/test_aep_calculator.py b/tests/test_costmodel_utils/test_aep_calculator.py
index 88823c6e569e524309b438e335887e7a7f72743d..64f653f1da2a6bebfdf64f669715efda8b9746b3 100644
--- a/tests/test_costmodel_utils/test_aep_calculator.py
+++ b/tests/test_costmodel_utils/test_aep_calculator.py
@@ -10,6 +10,7 @@ from topfarm.cost_models.utils.wind_resource import WindResource
 from tests.test_files import testfilepath
 from topfarm.cost_models.fused_wake_wrappers import FusedWakeGCLWakeModel
 from topfarm.cost_models.utils.aep_calculator import AEPCalculator
+import warnings
 
 
 class TestAEPCalculator(unittest.TestCase):
@@ -20,10 +21,11 @@ class TestAEPCalculator(unittest.TestCase):
         k = [2.392578,2,2,2]
         wr = WindResource(np.array(f), A, k, ti=np.zeros_like(f) + .1)
         wf_3tb = testfilepath + "wind_farms/3tb.yml"
-        wm = FusedWakeGCLWakeModel(wf_3tb)
-        aep_calc = AEPCalculator(wr, wm)
-
-        self.assertAlmostEqual(aep_calc(np.array([[-1600, 0, 1600], [0, 0, 0]]).T), 22.3178800761)
+        with warnings.catch_warnings():
+            warnings.simplefilter("ignore")
+            wm = FusedWakeGCLWakeModel(wf_3tb)
+            aep_calc = AEPCalculator(wr, wm)
+            self.assertAlmostEqual(aep_calc(np.array([[-1600, 0, 1600], [0, 0, 0]]).T), 22.3178800761)
 
 
 if __name__ == "__main__":
diff --git a/tests/test_fusedwake_models/test_gcl.py b/tests/test_fusedwake_models/test_gcl.py
index 0a8bf30aff988a340525921a2a7c7c1e920aa075..f1afc4e5f5e86fbf8fd18fb3babc05c741c1c7f4 100644
--- a/tests/test_fusedwake_models/test_gcl.py
+++ b/tests/test_fusedwake_models/test_gcl.py
@@ -5,6 +5,7 @@ from topfarm.cost_models.utils.wind_resource import WindResource
 from tests.test_files import tfp
 from topfarm._topfarm import TopFarm
 import pytest
+import warnings
 
 
 @pytest.fixture()
@@ -14,24 +15,32 @@ def aep_calc():
     A = [9.176929, 9.782334, 9.531809, 9.909545]
     k = [2.392578, 2.447266, 2.412109, 2.591797]
     wr = WindResource(f, A, k, ti=np.zeros_like(f) + .1)
-    wm = FusedWakeGCLWakeModel(tfp + "wind_farms/3tb.yml")
+    with warnings.catch_warnings():
+        warnings.simplefilter("ignore")
+        wm = FusedWakeGCLWakeModel(tfp + "wind_farms/3tb.yml")
     return AEPCalculator(wr, wm)
 
 
 def test_input_shape_must_be_equal():
-    wm = FusedWakeGCLWakeModel(tfp + "wind_farms/3tb.yml")
-    with pytest.raises(AssertionError, message="Shape of no_wake_wdir, no_wake_wsp and no_wake_ti must equal"):
-        wm(wm.windFarm.pos.T, no_wake_wdir=[[270]], no_wake_wsp=[[8, 9]], no_wake_ti=0.1)
+    with warnings.catch_warnings():
+        warnings.simplefilter("ignore")
+        wm = FusedWakeGCLWakeModel(tfp + "wind_farms/3tb.yml")
+        with pytest.raises(AssertionError, message="Shape of no_wake_wdir, no_wake_wsp and no_wake_ti must equal"):
+            wm(wm.windFarm.pos.T, no_wake_wdir=[[270]], no_wake_wsp=[[8, 9]], no_wake_ti=0.1)
 
 
 def test_GCL(aep_calc):
     init_pos = aep_calc.wake_model.windFarm.pos.T
-    assert aep_calc(init_pos) == 19.85973533524627  # tb aligned north-south -> wake
-    assert aep_calc(np.array([[-500, 0, 500], [0, 0, 0]]).T) == 22.31788007605505  # tb aligned West-East -> no wake
+    with warnings.catch_warnings():
+        warnings.simplefilter("ignore")
+        assert aep_calc(init_pos) == 19.85973533524627  # tb aligned north-south -> wake
+        assert aep_calc(np.array([[-500, 0, 500], [0, 0, 0]]).T) == 22.31788007605505  # tb aligned West-East -> no wake
 
 
 def test_GCL_Topfarm(aep_calc):
-    init_pos = aep_calc.wake_model.windFarm.pos.T
-    tf = TopFarm(init_pos, aep_calc.get_TopFarm_cost_component(), 160, init_pos, boundary_type='square')
-    tf.evaluate()
+    init_pos = aep_calc.wake_model.windFarm.pos
+    with warnings.catch_warnings(): # suppress "warning, make sure that this position array is oriented in ndarray([n_wt, 2]) or ndarray([n_wt, 3])"
+        warnings.simplefilter("ignore")
+        tf = TopFarm(init_pos, aep_calc.get_TopFarm_cost_component(), 160, init_pos, boundary_type='square')
+        tf.evaluate()
     assert tf.get_cost() == -19.85973533524627
diff --git a/tests/test_fusedwake_models/test_noj.py b/tests/test_fusedwake_models/test_noj.py
index 703a26a660074915ac1d2fcabd3c673c65d096fb..194485fe7e23d7ffb1030b68960e381d98e78cba 100644
--- a/tests/test_fusedwake_models/test_noj.py
+++ b/tests/test_fusedwake_models/test_noj.py
@@ -6,6 +6,7 @@ from topfarm._topfarm import TopFarm
 from topfarm.cost_models.fused_wake_wrappers import FusedWakeNOJWakeModel
 from topfarm.cost_models.utils.aep_calculator import AEPCalculator
 from topfarm.cost_models.utils.wind_resource import WindResource
+import warnings
 
 
 @pytest.fixture()
@@ -15,18 +16,24 @@ def aep_calc():
     A = [9.176929, 9.782334, 9.531809, 9.909545]
     k = [2.392578, 2.447266, 2.412109, 2.591797]
     wr = WindResource(f, A, k, ti=np.zeros_like(f) + .1)
-    wm = FusedWakeNOJWakeModel(tfp + "wind_farms/3tb.yml")
+    with warnings.catch_warnings(): # suppress "warning, make sure that this position array is oriented in ndarray([n_wt, 2]) or ndarray([n_wt, 3])"
+        warnings.simplefilter("ignore")
+        wm = FusedWakeNOJWakeModel(tfp + "wind_farms/3tb.yml")
     return AEPCalculator(wr, wm)
 
 
-def test_GCL(aep_calc):
-    init_pos = aep_calc.wake_model.windFarm.pos.T
-    assert aep_calc(init_pos) == 18.90684500124578
-    assert aep_calc(np.array([[-500, 0, 500], [0, 0, 0]]).T) == 22.31788007605505
+def test_NOJ(aep_calc):
+    init_pos = aep_calc.wake_model.windFarm.pos
+    with warnings.catch_warnings(): # suppress "warning, make sure that this position array is oriented in ndarray([n_wt, 2]) or ndarray([n_wt, 3])"
+        warnings.simplefilter("ignore")
+        assert aep_calc(init_pos) == 18.90684500124578
+        assert aep_calc(np.array([[-500, 0, 500], [0, 0, 0]]).T) == 22.31788007605505
 
 
-def test_GCL_Topfarm(aep_calc):
-    init_pos = aep_calc.wake_model.windFarm.pos.T
-    tf = TopFarm(init_pos, aep_calc.get_TopFarm_cost_component(), 160, init_pos, boundary_type='square')
-    tf.evaluate()
+def test_NOJ_Topfarm(aep_calc):
+    init_pos = aep_calc.wake_model.windFarm.pos
+    with warnings.catch_warnings(): # suppress "warning, make sure that this position array is oriented in ndarray([n_wt, 2]) or ndarray([n_wt, 3])"
+        warnings.simplefilter("ignore")
+        tf = TopFarm(init_pos, aep_calc.get_TopFarm_cost_component(), 160, init_pos, boundary_type='square')
+        tf.evaluate()
     assert tf.get_cost() == -18.90684500124578
diff --git a/topfarm/cost_models/fused_wake_wrappers.py b/topfarm/cost_models/fused_wake_wrappers.py
index 18dd10d023d59409b0e81f1941560828358fbca2..c09705ec54424b889bd719c7d55914ba8cc9cd91 100644
--- a/topfarm/cost_models/fused_wake_wrappers.py
+++ b/topfarm/cost_models/fused_wake_wrappers.py
@@ -23,13 +23,12 @@ class FusedWakeModel(object):
         self.windFarm = WindFarm(yml=yml)
         if version:
             self.version = version
-        try:
-            self.wake_model = self.wake_model_cls(WF=self.windFarm, version=self.version, **kwargs)
-        except ValueError as e:
-            pytest.xfail(str(e))
-
+        self.wake_model = self.wake_model_cls(WF=self.windFarm, version=self.version, **kwargs)
+        
     def __call__(self, turbine_positions, no_wake_wdir, no_wake_wsp, no_wake_ti):
-        self.wake_model.update_position(turbine_positions.T)
+        if not hasattr(self.wake_model, 'update_position'):
+            pytest.xfail("Method update_position missing in wakemodel")
+        self.wake_model.update_position(turbine_positions)
         WD, WS, TI = (np.atleast_2d(v) for v in [no_wake_wdir, no_wake_wsp, no_wake_ti])
         assert WD.shape == WS.shape == TI.shape, "Shape of no_wake_wdir, no_wake_wsp and no_wake_ti must equal: %s != %s != %s" % (WD.shape, WS.shape, TI.shape)
         if len(WD.shape) == 3: