ShortenReferences: add test with lots of FqName with root prefix

idea/testData/shortenRefs/TopLevelFunctionImportWithLotsOfFqName.dependency.kt

@@ -0,0 +1,9 @@
+package one.two.three.four.five.six.seven.eight.nine.ten
+
+
+fun somefun(): String = ""
+fun Any.somefun(): String = ""
+fun otherfun() = Unit
+
+class MyClass
+class OtherClass

idea/tests/org/jetbrains/kotlin/shortenRefs/ShortenRefsTestGenerated.java

@@ -144,6 +144,11 @@ public class ShortenRefsTestGenerated extends AbstractShortenRefsTest {
         runTest("idea/testData/shortenRefs/shortCompanionRefInsideShortenedCall.kt");
     }
 
+    @TestMetadata("TopLevelFunctionImportWithLotsOfFqName.kt")
+    public void testTopLevelFunctionImportWithLotsOfFqName() throws Exception {
+        runTest("idea/testData/shortenRefs/TopLevelFunctionImportWithLotsOfFqName.kt");
+    }
+
     @TestMetadata("UnresolvedOverload.kt")
     public void testUnresolvedOverload() throws Exception {
         runTest("idea/testData/shortenRefs/UnresolvedOverload.kt");