Remove Spek add Kotest

orx-shader-phrases/build.gradle.kts

@@ -1,5 +1,6 @@
 plugins {
     org.openrndr.extra.convention.`kotlin-multiplatform`
+    alias(libs.plugins.kotest.multiplatform)
 }
 
 val embedShaders = tasks.register<EmbedShadersTask>("embedShaders") {
@@ -9,16 +10,8 @@ val embedShaders = tasks.register<EmbedShadersTask>("embedShaders") {
 }.get()
 
 kotlin {
-    jvm {
-        testRuns["test"].executionTask {
-            useJUnitPlatform {
-                includeEngines("spek2")
-            }
-        }
-    }
     kotlin.sourceSets.getByName("commonMain").kotlin.srcDir(embedShaders.outputDir)
     sourceSets {
-        @Suppress("UNUSED_VARIABLE")
         val commonMain by getting {
             dependencies {
                 implementation(libs.openrndr.application)
@@ -31,10 +24,9 @@ kotlin {
         val jvmTest by getting {
             dependencies {
                 runtimeOnly(libs.slf4j.simple)
-                implementation(libs.kluent)
-                implementation(libs.spek.dsl)
-                runtimeOnly(libs.spek.junit5)
                 runtimeOnly(libs.kotlin.reflect)
+                implementation(libs.kotest.assertions)
+                implementation(libs.kotest.framework.engine)
             }
         }
     }