Tests for import class action added

idea/testData/quickfix/classImport/beforeHasThisImport.kt

@@ -0,0 +1,15 @@
+// "Remove initializer from property" "true"
+namespace a
+
+import java.util.Collections
+
+namespace b {
+
+import java.util.List
+
+class M {
+    trait A {
+        val l = <caret>Collections.emptyList<Int>()
+    }
+}
+}