chore(deps): add junit to test dependencies

Added `junit` for improved testing capabilities and coverage.

build.gradle.kts

@@ -31,28 +31,7 @@ repositories {
 
 // Dependencies are managed with Gradle version catalog - read more: https://docs.gradle.org/current/userguide/platforms.html#sub:version-catalog
 dependencies {
-//    implementation(libs.annotations)
-}
-
-// Set the JVM language level used to build the project. Use Java 11 for 2020.3+, and Java 17 for 2022.2+.
-kotlin {
-    jvmToolchain(17)
-    @Suppress("UnstableApiUsage")
-    jvmToolchain {
-        languageVersion = JavaLanguageVersion.of(17)
-        vendor = JvmVendorSpec.JETBRAINS
-    }
-}
-
-// Configure Gradle IntelliJ Plugin - read more: https://plugins.jetbrains.com/docs/intellij/tools-gradle-intellij-plugin.html
-intellij {
-    pluginName = properties("pluginName")
-    version = properties("platformVersion")
-    type = properties("platformType")
-
-    // Plugin Dependencies. Uses `platformPlugins` property from the gradle.properties file.
-    plugins = properties("platformPlugins").map { it.split(',').map(String::trim).filter(String::isNotEmpty) }
-}
+    testImplementation(libs.junit)
 
     // IntelliJ Platform Gradle Plugin Dependencies Extension - read more: https://plugins.jetbrains.com/docs/intellij/tools-intellij-platform-gradle-plugin-dependencies-extension.html
     intellijPlatform {