public MarketstackServiceTests()
{
var apiKey = Environment.GetEnvironmentVariable(apiKeyVariable, EnvironmentVariableTarget.Machine);
var options = Options.Create(new MarketstackOptions()
{
ApiToken = apiKey, MaxRequestsPerSecond = 3, Https = true
});
_marketstackService = new MarketstackService(options, NullLogger <MarketstackService> .Instance);
}
