Fixing buck dependencies for JS tests

Author: barancev

java/client/test/org/openqa/selenium/javascript/BUCK

@@ -3,7 +3,7 @@ java_library(name = 'javascript',
   deps = [
     '//java/client/src/org/openqa/selenium:selenium',
     '//java/client/test/org/openqa/selenium/environment:environment',
-    '//java/client/test/org/openqa/selenium/testing:helpers',
+    '//java/client/test/org/openqa/selenium/testing:test-base',
     '//java/client/test/org/openqa/selenium/testing/drivers:drivers',
     '//third_party/java/guava:guava',
     '//third_party/java/hamcrest:hamcrest-library',