public async Task ShouldStartOnArgument(string cmd)
{
_ = await fixture.Run(cmd);
fixture.FakeShellCmdService.Called.Should().BeGreaterOrEqualTo(1);
}
public async Task ShouldNextOnArgument(string cmd)
{
var result = await fixture.Run(cmd);
fakeShellCmd.Called.Should().BeGreaterOrEqualTo(1);
}