Added tests for argument mapping

compiler/testData/resolvedCalls/arguments/namedArguments/positionedAfterNamed.kt

@@ -0,0 +1,13 @@
+// !ONLY_ARGUMENTS
+// !CALL: foo
+// !ARG_1: B() = ArgumentMatch(b : B, SUCCESS)
+// !ARG_2: A() = ArgumentUnmapped
+
+class A {}
+class B {}
+
+fun foo(a: A, b: B) {}
+
+fun bar() {
+    foo(b = B(), A())
+}

compiler/testData/resolvedCalls/arguments/namedArguments/shiftedArgsMatch.kt

@@ -0,0 +1,13 @@
+// !ONLY_ARGUMENTS
+// !CALL: foo
+// !ARG_1: B() = ArgumentMatch(b : B, SUCCESS)
+// !ARG_2: A() = ArgumentMatch(a : A, SUCCESS)
+
+class A {}
+class B {}
+
+fun foo(a: A, b: B) {}
+
+fun bar() {
+    foo(b = B(), a = A())
+}