make chained call completion work with names like Assert or Arrays

java/java-tests/testData/codeInsight/completion/normal/AllAssertClassesMethods.java

@@ -0,0 +1,5 @@
+class Foo {
+  {
+    Assert.<caret>
+  }
+}

java/java-tests/testSrc/com/intellij/codeInsight/completion/JavaAutoPopupTest.groovy

@@ -989,7 +989,7 @@ class Foo {
     myFixture.configureByText "a.java", "class Foo {{ <caret> }}"
     type 'Arrays.'
     myFixture.checkResult "class Foo {{ Arrays.<caret> }}"
-    assert !lookup
+    assert 'Arrays.asList' in myFixture.lookupElementStrings
   }
 
 

java/java-tests/testSrc/com/intellij/codeInsight/completion/NormalCompletionTest.groovy

@@ -1290,4 +1290,11 @@ public class ListUtils {
     checkResult()
   }
 
+  public void testAllAssertClassesMethods() {
+    myFixture.addClass 'package foo; public class Assert { public static void foo() {} }'
+    myFixture.addClass 'package bar; public class Assert { public static void bar() {} }'
+    configure()
+    assert myFixture.lookupElementStrings == ['Assert.bar', 'Assert.foo']
+  }
+
 }