Clarify test names to avoid clashes in resolve

This is to workaround problem described in #KT-41342

libraries/tools/new-project-wizard/resources/org/jetbrains/kotlin/tools/projectWizard/templates/android/androidTest.kt.vm

@@ -3,7 +3,7 @@ package ${package}
 import org.junit.Assert.assertTrue
 import org.junit.Test
 
-class GreetingTest {
+class AndroidGreetingTest {
 
     @Test
     fun testExample() {

libraries/tools/new-project-wizard/resources/org/jetbrains/kotlin/tools/projectWizard/templates/ios/iosTest.kt.vm

@@ -3,7 +3,7 @@ package ${package}
 import kotlin.test.Test
 import kotlin.test.assertTrue
 
-class GreetingTest {
+class IosGreetingTest {
 
     @Test
     fun testExample() {