clang-format: [Java] Don't line-wrap package declarations.

This fixes llvm.org/PR21677.

llvm-svn: 222843
diff --git a/clang/unittests/Format/FormatTestJava.cpp b/clang/unittests/Format/FormatTestJava.cpp
index 10149f5..829ced7 100644
--- a/clang/unittests/Format/FormatTestJava.cpp
+++ b/clang/unittests/Format/FormatTestJava.cpp
@@ -319,6 +319,11 @@
                "}");
 }
 
+TEST_F(FormatTestJava, PackageDeclarations) {
+  verifyFormat("package some.really.loooooooooooooooooooooong.package;",
+               getStyleWithColumns(50));
+}
+
 TEST_F(FormatTestJava, ImportDeclarations) {
   verifyFormat("import some.really.loooooooooooooooooooooong.imported.Class;",
                getStyleWithColumns(50));