test: Refactor test utilities

- Add `test-utils` module to streamline test cases
- Rename module `kotlin-sdk-test` -> `integration-test`
- Move test utilities for managing processes, ports, and TypeScript execution logic

Author: kpavlov

build.gradle.kts

@@ -12,7 +12,7 @@ dependencies {
     kover(project(":kotlin-sdk-core"))
     kover(project(":kotlin-sdk-client"))
     kover(project(":kotlin-sdk-server"))
-    kover(project(":kotlin-sdk-test"))
+    "kover"(project(":integration-test"))
 }
 
 subprojects {

conformance-test/build.gradle.kts

@@ -7,6 +7,7 @@ plugins {
 dependencies {
     testImplementation(project(":kotlin-sdk"))
     testImplementation(kotlin("test"))
+    testImplementation(project(":test-utils"))
     testImplementation(libs.kotlin.logging)
     testImplementation(libs.ktor.client.cio)
     testImplementation(libs.ktor.server.cio)

conformance-test/src/test/kotlin/io/modelcontextprotocol/kotlin/sdk/conformance/ConformanceTest.kt

@@ -274,7 +274,7 @@ class ConformanceTest {
 
         val processBuilder = ProcessBuilder(
             "npx",
-            "@modelcontextprotocol/conformance",
+            "@modelcontextprotocol/conformance@0.1.8",
             "client",
             "--command",
             clientCommand.joinToString(" "),

kotlin-sdk-test/build.gradle.kts integration-test/build.gradle.ktskotlin-sdk-test/build.gradle.kts renamed to integration-test/build.gradle.kts

@@ -25,9 +25,7 @@ kotlin {
         }
         jvmTest {
             dependencies {
-                implementation(libs.awaitility)
-                implementation(libs.junit.jupiter.params)
-                runtimeOnly(libs.slf4j.simple)
+                implementation(project(":test-utils"))
             }
         }
     }