void RobotService_Report_Placed_Allowed(int x, int y, Facing f, string expected, [Frozen]Mock<IRobot> mockRobot,
RobotService sut)
{
mockRobot.SetupRobotFixture(x, y, f, true);
Assert.True(sut.Report() == expected);
}
void RobotService_Report_NotPlaced_Ignored(int x, int y, Facing f, [Frozen] Mock<IRobot> mockRobot,
RobotService sut)
{
mockRobot.SetupRobotFixture(x, y, f, false);
Assert.True(sut.Report() == string.Empty);
}