"Find Usages": separate Kotlin and Java tests

idea/testData/findUsages/kotlin/findClassUsages/javaClassFunctionUsages2.0.kt

@@ -0,0 +1,37 @@
+// PSI_ELEMENT: org.jetbrains.jet.lang.psi.JetClass
+// OPTIONS: functionUsages
+trait X {
+    val a: String
+        get() {
+            return ""
+        }
+    var b: Int
+        get () {
+            return 0
+        }
+        set (value: Int) {
+
+        }
+
+    fun foo(s: String) {
+        println(s)
+    }
+}
+
+open class <caret>A: X {
+    override val a: String
+        get() {
+            return "?"
+        }
+    override var b: Int
+        get () {
+            return 1
+        }
+        set (value: Int) {
+            println(value)
+        }
+
+    override fun foo(s: String) {
+        println("!$s!")
+    }
+}