run 3 tests serially to avoid mixing env vars

Author: mxfactorial

tests/integ_tests/main.rs

@@ -21,9 +21,11 @@ use flate2::read::GzDecoder;
 use flate2::write::GzEncoder;
 use flate2::Compression;
 use serde_json::json;
+use serial_test::serial;
 use tower_http::compression::{CompressionBody, CompressionLayer};
 
 #[test]
+#[serial]
 fn test_default_adapter_options() {
  env::set_var("PORT", "3000");
  env::set_var("HOST", "localhost");
@@ -67,6 +69,7 @@ fn test_default_adapter_options() {
 }
 
 #[test]
+#[serial]
 fn test_adapter_options_from_namespaced_env() {
  env::set_var("AWS_LWA_PORT", "3000");
  env::set_var("AWS_LWA_HOST", "localhost");
@@ -108,6 +111,7 @@ fn test_adapter_options_from_namespaced_env() {
 }
 
 #[test]
+#[serial]
 fn test_readiness_check_port_fallback_to_lwa_port() {
  env::remove_var("AWS_LWA_READINESS_CHECK_PORT");
  env::remove_var("READINESS_CHECK_PORT");