[BEAM-9151] Fix misconfigured legacy dataflow tests.
diff --git a/runners/google-cloud-dataflow-java/examples/build.gradle b/runners/google-cloud-dataflow-java/examples/build.gradle
index 8054488..aabb0d2 100644
--- a/runners/google-cloud-dataflow-java/examples/build.gradle
+++ b/runners/google-cloud-dataflow-java/examples/build.gradle
@@ -56,7 +56,7 @@
                "--tempRoot=${gcsTempRoot}",
                "--runner=TestDataflowRunner",
                "--dataflowWorkerJar=${dataflowWorkerJar}",
-               workerHarnessContainerImage.isEmpty() ?'':"--workerHarnessContainerImage=${workerHarnessContainerImage}"
+               "--workerHarnessContainerImage=${workerHarnessContainerImage}"
                ] + additionalOptions
        systemProperty "beamTestPipelineOptions", JsonOutput.toJson(preCommitBeamTestPipelineOptions)
      }