Remove Spek add Kotest

orx-shapes/build.gradle.kts

@@ -1,18 +1,10 @@
 plugins {
     org.openrndr.extra.convention.`kotlin-multiplatform`
+    alias(libs.plugins.kotest.multiplatform)
 }
 
 kotlin {
-    jvm {
-        testRuns["test"].executionTask {
-            useJUnitPlatform {
-                includeEngines("spek2")
-            }
-        }
-    }
-
     sourceSets {
-        @Suppress("UNUSED_VARIABLE")
         val commonMain by getting {
             dependencies {
                 implementation(project(":orx-parameters"))
@@ -25,24 +17,21 @@ kotlin {
             }
         }
 
-        @Suppress("UNUSED_VARIABLE")
         val jvmMain by getting {
             dependencies {
                 implementation(project(":orx-triangulation"))
             }
         }
 
-        @Suppress("UNUSED_VARIABLE")
         val jvmTest by getting {
             dependencies {
-                implementation(libs.kluent)
-                implementation(libs.spek.dsl)
-                runtimeOnly(libs.spek.junit5)
+                implementation(libs.kotest.assertions)
+                implementation(libs.kotest.framework.engine)
+                implementation(libs.kotlin.serialization.json)
                 runtimeOnly(libs.kotlin.reflect)
             }
         }
 
-        @Suppress("UNUSED_VARIABLE")
         val jvmDemo by getting {
             dependencies {
                 implementation(project(":orx-camera"))