Updated tests and updated api (#158)

Author: dstibbe

kotlin-sdk-core/src/commonTest/kotlin/io/modelcontextprotocol/kotlin/sdk/TypesTest.kt

@@ -194,7 +194,7 @@ class TypesTest {
         val decoded = McpJson.decodeFromString<ContentBlock>(json)
 
         assertIs<ResourceLink>(decoded)
-        with(resourceLink) {
+        with(decoded) {
             assertEquals("application/pdf", mimeType)
             assertEquals("This pdf is meant to be a resource link test", description)
             assertEquals("file01", name)

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

@@ -1,11 +1,11 @@
 package io.modelcontextprotocol.kotlin.sdk.integration.kotlin
 
+import io.modelcontextprotocol.kotlin.sdk.ContentBlock
 import io.modelcontextprotocol.kotlin.sdk.GetPromptRequest
 import io.modelcontextprotocol.kotlin.sdk.GetPromptResult
 import io.modelcontextprotocol.kotlin.sdk.ImageContent
 import io.modelcontextprotocol.kotlin.sdk.PromptArgument
 import io.modelcontextprotocol.kotlin.sdk.PromptMessage
-import io.modelcontextprotocol.kotlin.sdk.PromptMessageContent
 import io.modelcontextprotocol.kotlin.sdk.Role
 import io.modelcontextprotocol.kotlin.sdk.ServerCapabilities
 import io.modelcontextprotocol.kotlin.sdk.TextContent
@@ -93,7 +93,7 @@ class PromptIntegrationTest : KotlinTestBase() {
                 ),
             )
 
-            val assistantContents = mutableListOf<PromptMessageContent>()
+            val assistantContents = mutableListOf<ContentBlock>()
             assistantContents.add(TextContent(text = "I'd be happy to discuss $topic with you."))
 
             if (includeImage) {

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

@@ -3,8 +3,8 @@ package io.modelcontextprotocol.kotlin.sdk.integration.kotlin
 import io.kotest.assertions.json.shouldEqualJson
 import io.modelcontextprotocol.kotlin.sdk.CallToolResult
 import io.modelcontextprotocol.kotlin.sdk.CallToolResultBase
+import io.modelcontextprotocol.kotlin.sdk.ContentBlock
 import io.modelcontextprotocol.kotlin.sdk.ImageContent
-import io.modelcontextprotocol.kotlin.sdk.PromptMessageContent
 import io.modelcontextprotocol.kotlin.sdk.ServerCapabilities
 import io.modelcontextprotocol.kotlin.sdk.TextContent
 import io.modelcontextprotocol.kotlin.sdk.Tool
@@ -276,7 +276,7 @@ class ToolIntegrationTest : KotlinTestBase() {
             val text = (request.arguments["text"] as? JsonPrimitive)?.content ?: "Default text"
             val includeImage = (request.arguments["includeImage"] as? JsonPrimitive)?.content?.toBoolean() ?: true
 
-            val content = mutableListOf<PromptMessageContent>(
+            val content = mutableListOf<ContentBlock>(
                 TextContent(text = "Text content: $text"),
             )