diff --git a/src/basics/NoiseState.cpp b/src/basics/NoiseState.cpp
index f03f000..3e870fd 100644
--- a/src/basics/NoiseState.cpp
+++ b/src/basics/NoiseState.cpp
@@ -53,3 +53,13 @@ void NoiseState::randomizeOffsets()
         level_offset.z = RandomGenerator::random();
     }
 }
+
+void NoiseState::resetOffsets(double x, double y, double z)
+{
+    for (auto &level_offset:level_offsets)
+    {
+        level_offset.x = x;
+        level_offset.y = y;
+        level_offset.z = z;
+    }
+}
diff --git a/src/basics/NoiseState.h b/src/basics/NoiseState.h
index 914c853..528ddfb 100644
--- a/src/basics/NoiseState.h
+++ b/src/basics/NoiseState.h
@@ -28,6 +28,7 @@ public:
     void copy(NoiseState* destination) const;
 
     void randomizeOffsets();
+    void resetOffsets(double x=0.0, double y=0.0, double z=0.0);
 
 private:
     std::vector<NoiseOffset> level_offsets;
diff --git a/src/tests/Render_Test.cpp b/src/tests/Render_Test.cpp
index 7c00f3a..21b775d 100644
--- a/src/tests/Render_Test.cpp
+++ b/src/tests/Render_Test.cpp
@@ -37,6 +37,7 @@ static void _render_quad_checker(SoftwareRenderer &renderer)
     renderer.render_area->setToneMapping(ColorProfile(ColorProfile::TONE_MAPPING_CLAMP, 0.0));
 
     renderer.render_camera->setRenderSize(renderer.render_width, renderer.render_height);
+    renderer.render_camera->setFov(1.57);
 
     RenderArea::RenderParams params = {renderer.render_width, renderer.render_height, 1, 1};
     renderer.render_area->setParams(params);
diff --git a/src/tests/TerrainPainting_Test.cpp b/src/tests/TerrainPainting_Test.cpp
index 0190416..13274f0 100644
--- a/src/tests/TerrainPainting_Test.cpp
+++ b/src/tests/TerrainPainting_Test.cpp
@@ -33,6 +33,8 @@ protected:
         terrain->_height_noise->clearLevels();
         NoiseGenerator::NoiseLevel level = {1.0, 2.0, -1.0};
         terrain->_height_noise->addLevel(level);
+        noise_state.resetOffsets();
+        terrain->_height_noise->setState(noise_state);
         terrain->_height_noise->setCustomFunction(_noise1dMock, _noise2dMock, _noise3dMock);
     }
 
@@ -42,6 +44,7 @@ protected:
     }
 
     TerrainDefinition* terrain;
+    NoiseState noise_state;
 };
 
 TEST_F(TerrainPainting_Test, grid)