Remove test step from publish_bazel_binaries job (#355)

Change-Id: I88a9047dd684f31332db4c1393b5ece8db43e035
diff --git a/buildkite/bazelci.py b/buildkite/bazelci.py
index b96bbbd..20e9f83 100644
--- a/buildkite/bazelci.py
+++ b/buildkite/bazelci.py
@@ -1132,17 +1132,13 @@
     if set(configs) != set(name for name, platform in PLATFORMS.items() if platform["publish_binary"]):
         raise BuildkiteException("Bazel publish binaries pipeline needs to build Bazel for every commit on all publish_binary-enabled platforms.")
 
-    # Build and Test Bazel
+    # Build Bazel
     pipeline_steps = []
 
     for platform in configs:
         pipeline_steps.append(bazel_build_step(
             platform, "Bazel", http_config, file_config, build_only=True))
 
-    for platform in configs:
-        pipeline_steps.append(bazel_build_step(
-            platform, "Bazel", http_config, file_config, test_only=True))
-
     pipeline_steps.append("wait")
 
     # If all builds succeed, publish the Bazel binaries to GCS.