Add nocheck_visibility flag for tests

Also add xcode_version to the Bazel rc.

PiperOrigin-RevId: 241541269
diff --git a/.bazelci/presubmit.yml b/.bazelci/presubmit.yml
index c6c47bb..e0946ea 100644
--- a/.bazelci/presubmit.yml
+++ b/.bazelci/presubmit.yml
@@ -3,5 +3,7 @@
   macos:
     build_targets:
     - "//:tulsi"
+    test_flags:
+    - "--nocheck_visibility"
     test_targets:
     - "//:tests"
diff --git a/.travis.yml b/.travis.yml
index 2371866..5132c7b 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -10,5 +10,5 @@
 script:
   - bazel version
   - bazel build //:tulsi
-  - bazel test //src/TulsiGeneratorTests --test_output=errors
-  - bazel test //src/TulsiGeneratorIntegrationTests --test_output=errors
+  - bazel test //src/TulsiGeneratorTests --test_output=errors --nocheck_visibility
+  - bazel test //src/TulsiGeneratorIntegrationTests --test_output=errors --nocheck_visibility