Replace kotlin-test project dependencies in the project

Use dependency helper function that chooses whether to take them
from the bootstrap repository or from a configuration of kotlin-test

KT-61969

repo/artifacts-tests/build.gradle.kts

@@ -4,7 +4,7 @@ plugins {
 
 dependencies {
     testImplementation(kotlinStdlib("jdk8"))
-    testImplementation(project(":kotlin-test:kotlin-test-junit5"))
+    testImplementation(kotlinTest("junit5"))
     testApi(platform(libs.junit.bom))
     testImplementation(libs.junit.jupiter.api)
     testRuntimeOnly(libs.junit.jupiter.engine)

repo/artifacts-tests/src/test/resources/org/jetbrains/kotlin/kotlin-gradle-plugin-idea/kotlin-gradle-plugin-idea.pom

@@ -52,7 +52,7 @@
     </dependency>
     <dependency>
       <groupId>org.jetbrains.kotlin</groupId>
-      <artifactId>kotlin-test-junit</artifactId>
+      <artifactId>kotlin-test</artifactId>
       <version>ArtifactsTest.version</version>
       <scope>runtime</scope>
       <optional>true</optional>