Update test for the builder inference and add new ones

compiler/testData/codegen/box/inference/builderInference/labaledCall.kt

@@ -0,0 +1,23 @@
+// !DIAGNOSTICS: -UNUSED_PARAMETER -DEPRECATION -UNCHECKED_CAST -EXPERIMENTAL_IS_NOT_ENABLED -UNUSED_VARIABLE
+// WITH_RUNTIME
+
+// FILE: main.kt
+import kotlin.experimental.ExperimentalTypeInference
+
+@UseExperimental(ExperimentalTypeInference::class)
+fun <R> build(@BuilderInference block: TestInterface<R>.() -> Unit) {}
+
+interface TestInterface<R> {
+    fun emit(r: R)
+    fun get(): R
+}
+
+fun box(): String {
+    build myLabel@ {
+        emit("")
+        val x = this@myLabel
+        ""
+    }
+
+    return "OK"
+}