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

libraries/tools/kotlin-gradle-plugin-idea/build.gradle.kts

@@ -30,7 +30,7 @@ dependencies {
     testImplementation(gradleKotlinDsl())
     testImplementation(project(":kotlin-gradle-plugin"))
     testImplementation(project(":kotlin-gradle-plugin-idea-proto"))
-    testImplementation(project(":kotlin-test:kotlin-test-junit"))
+    testImplementation(kotlinTest("junit"))
 
     testImplementation("org.reflections:reflections:0.10.2") {
         because("Tests on the object graph are performed. This library will find implementations of interfaces at runtime")
@@ -40,7 +40,7 @@ dependencies {
     testFixturesImplementation(gradleKotlinDsl())
     testFixturesImplementation(project(":kotlin-tooling-core"))
     testFixturesImplementation(project(":kotlin-gradle-plugin-idea-proto"))
-    testFixturesImplementation(project(":kotlin-test:kotlin-test-junit"))
+    testFixturesImplementation(kotlinTest()) // no test annotations, only assertions are needed
 }