Allow service account feature without hyper-rustls

.github/workflows/test.yml

@@ -11,8 +11,8 @@ jobs:
       matrix:
         features: ["service_account,hyper-rustls,ring",
         "service_account,hyper-rustls,aws-lc-rs",
-        "service_account,hyper-tls,ring", "service_account,hyper-tls,aws-lc-rs"
-        "service_account,ring", "hyper-rustls,ring"]
+        "service_account,hyper-tls,ring", "service_account,hyper-tls,aws-lc-rs",
+        "hyper-rustls,ring"]
     steps:
       - uses: actions/checkout@v4
       - uses: dtolnay/rust-toolchain@stable

Cargo.toml

@@ -27,13 +27,13 @@ name = "tests"
 required-features = ["hyper-rustls", "service-account", "ring"]
 
 [features]
-default = ["hyper-rustls", "rustls", "service-account", "ring"]
+default = ["hyper-rustls", "service-account", "ring"]
 service_account = ["service-account"]
-service-account = ["hyper-rustls", "rustls", "rustls-pemfile"]
-hyper-rustls = ["dep:hyper-rustls", "rustls"]
+service-account = ["rustls-pemfile"]
+hyper-rustls = ["dep:hyper-rustls", "dep:rustls"]
 ring = ["rustls/ring", "hyper-rustls?/ring"]
 aws-lc-rs = ["rustls/aws_lc_rs", "hyper-rustls?/aws-lc-rs"]
-hyper-tls = ["dep:hyper-tls"]
+hyper-tls = ["dep:hyper-tls", "dep:rustls"]
 
 [dependencies]
 anyhow = "1.0.38"

src/service_account.rs

@@ -234,6 +234,7 @@ mod tests {
     const TEST_PRIVATE_KEY_PATH: &str = "examples/Sanguine-69411a0c0eea.json";
 
     // Uncomment this test to verify that we can successfully obtain tokens.
+    #[cfg(feature = "hyper-rustls")]
     // #[tokio::test]
     #[allow(dead_code)]
     async fn test_service_account_e2e() {