Isolator++ test in Visual Studio Fails with Failed to set up the execution context to run the test

#include "pch.h"

#include "CppUnitTest.h"

#include "IntControlButton.h"

#include "Utilility.h"

#include "isolator.h"

#include <GL/gl.h>

using namespace Microsoft::VisualStudio::CppUnitTestFramework;

namespace TestVrHelper

{

TEST_CLASS(TestVrHelper)

{

public:

IntControlButton* btn = nullptr;

TEST_METHOD_CLEANUP(TearDown)

{

if (btn != nullptr)

{

delete btn;

}

ISOLATOR_CLEANUP();

}

TEST_METHOD_INITIALIZE(SetUp)

{

FAKE_GLOBAL(glBegin);

WHEN_CALLED(glBegin(GL_LINE_LOOP)).ReturnFake();

FAKE_GLOBAL(glEnd);

WHEN_CALLED(glEnd()).ReturnFake();

FAKE_GLOBAL(glColor4fv);

FAKE_GLOBAL(XPLMGetFontDimensions);

FAKE_GLOBAL(XPLMDrawString);

FAKE_GLOBAL(glVertex2i);

FAKE_GLOBAL(XPLMFindDataRef);

WHEN_CALLED((XPLMFindDataRef("sim/cockpit2/radios/actuators/com1_standby_frequency_hz_833"))).Return(1);

FAKE_GLOBAL(XPLMGetDatai);

WHEN_CALLED(XPLMGetDatai((XPLMDataRef)1)).Return(123456);

FAKE_GLOBAL(XPLMSetDatai);

btn = new IntControlButton(ButtonBase::com, "sim/cockpit2/radios/actuators/com1_standby_frequency_hz_833", Utilility::IntValToText3n3d, Utilility::TextToIntVal3n3d, 7,

Utilility::InsDigIntVal3n3d, Utilility::DeleteVal3n3d);

}

TEST_METHOD(TestMethod1)

{

Assert::IsFalse(btn->selected);

}

};

}