The PEX used in the interactive tests should be crazy-fun's

Rather than one located in the user's home directory.
/facepalm

Author: shs96c

java/client/test/org/openqa/selenium/BuckBuild.java

@@ -138,8 +138,7 @@ private void downloadBuckPexIfNecessary(ImmutableList.Builder<String> builder)
     Path projectRoot = InProject.locate("Rakefile").getParentFile().toPath();
     String buckVersion = new String(Files.readAllBytes(projectRoot.resolve(".buckversion"))).trim();
 
-    Path pex = Paths.get(
-      StandardSystemProperty.USER_HOME.value(), ".crazyfun", "buck", buckVersion, "buck.pex");
+    Path pex = Paths.get("buck-out", "crazy-fun", buckVersion, "buck.pex");
 
     String expectedHash = new String(Files.readAllBytes(projectRoot.resolve(".buckhash"))).trim();
     HashCode md5 = Files.exists(pex) ?