--- BUILD
+++ BUILD
@@ -525,7 +525,7 @@ cc_binary(
 filegroup(
     name = "testdata",
     srcs = glob(["src/google/protobuf/testdata/**/*"]),
-    visibility = ["//:__subpackages__"],
+    visibility = ["//visibility:public"],
 )
 
 RELATIVE_LITE_TEST_PROTOS = [
@@ -931,13 +931,10 @@ py_library(
         [
             "python/google/protobuf/**/*.py",
         ],
-        exclude = [
-            "python/google/protobuf/internal/*_test.py",
-            "python/google/protobuf/internal/test_util.py",
-        ],
     ),
     imports = ["python"],
     srcs_version = "PY2AND3",
+    visibility = ["//visibility:public"],
 )
 
 cc_binary(
@@ -1038,13 +1035,6 @@ py_proto_library(
     name = "protobuf_python",
     srcs = COPIED_WELL_KNOWN_PROTOS,
     include = "python",
-    data = select({
-        "//conditions:default": [],
-        ":use_fast_cpp_protos": [
-            ":python/google/protobuf/internal/_api_implementation.so",
-            ":python/google/protobuf/pyext/_message.so",
-        ],
-    }),
     default_runtime = "",
     protoc = ":protoc",
     py_libs = [
@@ -1080,6 +1070,7 @@ py_proto_library(
     protoc = ":protoc",
     srcs_version = "PY2AND3",
     deps = [":protobuf_python"],
+    visibility = ["//visibility:public"],
 )
 
 py_proto_library(
@@ -1093,6 +1084,7 @@ py_proto_library(
     protoc = ":protoc",
     srcs_version = "PY2AND3",
     deps = [":python_common_test_protos"],
+    visibility = ["//visibility:public"],
 )
 
 py_library(

--- python/google/protobuf/internal/test_util.py
+++ python/google/protobuf/internal/test_util.py
@@ -634,6 +634,13 @@ def GoldenFile(filename):
     # Found it.  Load the golden file from the testdata directory.
     return open(full_path, 'rb')
 
+  # Search for cross-repo path.
+  full_path = os.path.join('external/com_google_protobuf/src/google/protobuf/testdata',
+                           filename)
+  if os.path.exists(full_path):
+    # Found it.  Load the golden file from the testdata directory.
+    return open(full_path, 'rb')
+
   raise RuntimeError(
       'Could not find golden files.  This test must be run from within the '
       'protobuf source package so that it can read test data files from the '

--- python/google/protobuf/internal/testing_refleaks.py
+++ python/google/protobuf/internal/testing_refleaks.py
@@ -67,6 +67,12 @@ class ReferenceLeakCheckerMixin(object):
   NB_RUNS = 3
 
   def run(self, result=None):
+    testMethod = getattr(self, self._testMethodName)
+    expecting_failure_method = getattr(testMethod, "__unittest_expecting_failure__", False)
+    expecting_failure_class = getattr(self, "__unittest_expecting_failure__", False)
+    if expecting_failure_class or expecting_failure_method:
+      return
+
     # python_message.py registers all Message classes to some pickle global
     # registry, which makes the classes immortal.
     # We save a copy of this registry, and reset it before we could references.