force tests that start a lambda runtime to run sequencially

Author: Sebastien Stormacq

Tests/AWSLambdaRuntimeTests/LambdaStreamingTests.swift renamed to Tests/AWSLambdaRuntimeTests/LambdaLocalServer+StreamingTests.swift

@@ -32,9 +32,7 @@ import FoundationNetworking
 import Foundation
 #endif
 
-@Suite(.serialized)
-struct LambdaStreamingTests {
-
+extension LambdaLocalServerTest {
     @Test("Streaming handler sends multiple chunks and completes successfully")
     @available(LambdaSwift 2.0, *)
     func testStreamingHandlerMultipleChunks() async throws {

Tests/AWSLambdaRuntimeTests/LambdaLocalServerTests.swift

@@ -19,8 +19,10 @@ import Testing
 
 @testable import AWSLambdaRuntime
 
-extension LambdaRuntimeTests {
-
+// serialized to start only one runtime at a time
+@Suite(.serialized)
+struct LambdaLocalServerTest
+ {
     @Test("Local server respects LOCAL_LAMBDA_PORT environment variable")
     @available(LambdaSwift 2.0, *)
     func testLocalServerCustomPort() async throws {