Reorganize integration test data

compiler/integration-tests/testData/smoke/syntaxErrors/test.compile.expected

@@ -0,0 +1,5 @@
+
+ERR:
+ERROR: [TestData]/test.kt: (4, 20) Expecting an element
+
+Return code: 1

compiler/integration-tests/testData/smoke/syntaxErrors/test.kt

@@ -0,0 +1,5 @@
+package test
+
+fun test() {
+    val s = System.in
+}