fixup! Run PR validation on multiple OS

Author: skarpovdev

kotlin-sdk-test/build.gradle.kts

@@ -11,6 +11,10 @@ kotlin {
                     excludeTestsMatching("*.typescript.*")
                 }
             }
+            // Pass DOCKER_DEFAULT_PLATFORM to test process for Testcontainers
+            System.getenv("DOCKER_DEFAULT_PLATFORM")?.let { platform ->
+                environment("DOCKER_DEFAULT_PLATFORM", platform)
+            }
         }
     }
     sourceSets {

kotlin-sdk-test/src/jvmTest/kotlin/io/modelcontextprotocol/kotlin/sdk/integration/typescript/TsTestBase.kt

@@ -78,6 +78,8 @@ abstract class TsTestBase {
                 add("docker")
                 add("run")
                 add("--rm")
+                add("--platform")
+                add("linux/amd64")
                 if (interactive) add("-i")
                 add("-v")
                 add("${getTsFilesPath("sse")}:/app/sse")