fix a test

Cargo.lock

@@ -2592,6 +2592,7 @@ dependencies = [
  "mime",
  "patreon",
  "pfacts",
+ "pretty_env_logger",
  "prometheus",
  "rand 0.7.3",
  "reqwest",

Cargo.toml

@@ -47,6 +47,7 @@ pfacts = "0"
 serde_json = "1"
 eyre = "0.6"
 reqwest = { version = "0.10", features = ["json"] }
+pretty_env_logger = "0"
 
 [workspace]
 members = [

lib/patreon/src/lib.rs

@@ -71,7 +71,7 @@ pub enum Error {
     Request(#[from] reqwest::Error),
 }
 
-#[derive(Debug, Serialize, Deserialize, Clone)]
+#[derive(Debug, Serialize, Deserialize, Clone, Default)]
 pub struct Credentials {
     pub client_id: String,
     pub client_secret: String,

src/app/mod.rs

@@ -19,7 +19,7 @@ pub struct Config {
 #[instrument]
 async fn patrons() -> Result<Option<patreon::Users>> {
     use patreon::*;
-    let creds: Credentials = envy::prefixed("PATREON_").from_env().unwrap();
+    let creds: Credentials = envy::prefixed("PATREON_").from_env().unwrap_or(Credentials::default());
     let cli = Client::new(creds);
 
     match cli.campaign().await {