Add test for obsolete issue

#KT-6502 Obsolete

idea/testData/checker/diagnosticsMessage/instantiationOfInnerClassInQualifiedForm.kt

@@ -0,0 +1,7 @@
+class A {
+    inner class XYZ
+
+    fun foo() {
+        val <warning>v</warning>: A.XYZ = A.<error descr="[RESOLUTION_TO_CLASSIFIER] Constructor of inner class XYZ can be called only with receiver of containing class">XYZ</error>()
+    }
+}

idea/tests/org/jetbrains/kotlin/checkers/PsiCheckerTestGenerated.java

@@ -992,6 +992,12 @@ public class PsiCheckerTestGenerated extends AbstractPsiCheckerTest {
             doTest(fileName);
         }
 
+        @TestMetadata("instantiationOfInnerClassInQualifiedForm.kt")
+        public void testInstantiationOfInnerClassInQualifiedForm() throws Exception {
+            String fileName = KotlinTestUtils.navigationMetadata("idea/testData/checker/diagnosticsMessage/instantiationOfInnerClassInQualifiedForm.kt");
+            doTest(fileName);
+        }
+
         @TestMetadata("noSubstitutedTypeParameter.kt")
         public void testNoSubstitutedTypeParameter() throws Exception {
             String fileName = KotlinTestUtils.navigationMetadata("idea/testData/checker/diagnosticsMessage/noSubstitutedTypeParameter.kt");