diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 589e3ad3..6e0cd74a 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -227,7 +227,7 @@ jobs:
         run: cargo test --manifest-path=pyo3-macros-backend/Cargo.toml
 
       - name: Test build config
-        run: cargo test --manifest-path=pyo3-build-config/Cargo.toml --all-features
+        run: cargo test --manifest-path=pyo3-build-config/Cargo.toml
 
       - name: Test python examples and tests
         shell: bash
diff --git a/Cargo.toml b/Cargo.toml
index 0c83a75c..915008e4 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -87,7 +87,19 @@ nightly = []
 
 # Activates all additional features
 # This is mostly intended for testing purposes - activating *all* of these isn't particularly useful.
-full = ["macros", "pyproto", "multiple-pymethods", "num-bigint", "num-complex", "hashbrown", "serde", "indexmap", "eyre", "anyhow"]
+full = [
+    "macros",
+    "pyproto",
+    "multiple-pymethods",
+    "num-bigint",
+    "num-complex",
+    "hashbrown",
+    "serde",
+    "indexmap",
+    "eyre",
+    "anyhow",
+    "pyo3-build-config/export-config"
+]
 
 [[bench]]
 name = "bench_call"
diff --git a/pyo3-build-config/src/impl_.rs b/pyo3-build-config/src/impl_.rs
index 03e7c563..97f5b4c2 100644
--- a/pyo3-build-config/src/impl_.rs
+++ b/pyo3-build-config/src/impl_.rs
@@ -1948,7 +1948,7 @@ mod tests {
 
     #[test]
     #[cfg(feature = "export-config")]
-    fn test_emit_pyo3_configs_round_trip() {
+    fn test_emit_pyo3_configs_roundtrip() {
         let interpreter = make_interpreter_config()
             .expect("could not get InterpreterConfig from installed interpreter");
         interpreter.emit_pyo3_cfgs();