BUG: fix logger handling in tests

Source/VisualTesting/imstkVisualTestingUtils.cpp

@@ -46,6 +46,11 @@ VisualTest::SetUp()
     m_viewer       = std::make_shared<VTKViewer>();
 }
 
+void VisualTest::TearDown()
+{
+    Logger::getInstance().destroy();
+}
+
 void
 VisualTest::runFor(const double duration, const double fixedTimestep)
 {
@@ -130,4 +135,4 @@ VisualTest::runFor(const double duration, const double fixedTimestep)
     m_dt = fixedTimestep;
     m_driver->setDesiredDt(m_dt);
     m_driver->start();
-}
\ No newline at end of file
+}

Source/VisualTesting/imstkVisualTestingUtils.h

@@ -35,6 +35,8 @@ class VisualTest : public testing::Test
 {
 public:
     void SetUp() override;
+    
+    void TearDown() override;
 
     ///
     /// \brief Run the simulation for given duration at given fixed timestep
@@ -53,4 +55,4 @@ protected:
     std::shared_ptr<imstk::SceneManager>      m_sceneManager = nullptr;
     std::shared_ptr<imstk::SimulationManager> m_driver       = nullptr;
     std::shared_ptr<imstk::Scene> m_scene = nullptr;
-};
\ No newline at end of file
+};