KT-805 Auto import on code completion insert (multifile test)

idea/testData/quickfix/autoImports/afterKotlinImport.kt

@@ -0,0 +1,7 @@
+// "Import Class" "true"
+
+import TestData.TestSample
+
+fun test() {
+    val a = TestSample
+}

idea/testData/quickfix/autoImports/beforeKotlinImport.Data.Sample.kt

@@ -0,0 +1,3 @@
+namespace TestData
+
+class TestSample() {}

idea/testData/quickfix/autoImports/beforeKotlinImport.Main.kt

@@ -0,0 +1,5 @@
+// "Import Class" "true"
+
+fun test() {
+    val a = <caret>TestSample
+}