diff --git a/metalus-core/src/test/scala/com/acxiom/metalus/steps/FunctionStepsTests.scala b/metalus-core/src/test/scala/com/acxiom/metalus/steps/FunctionStepsTests.scala
index 93f3b1ec..81885bd6 100644
--- a/metalus-core/src/test/scala/com/acxiom/metalus/steps/FunctionStepsTests.scala
+++ b/metalus-core/src/test/scala/com/acxiom/metalus/steps/FunctionStepsTests.scala
@@ -46,7 +46,7 @@ class FunctionStepsTests extends AnyFunSpec with BeforeAndAfterAll {
         val thrown = intercept[PipelineException] {
           FunctionSteps.executeCommand(command, TestHelper.generatePipelineContext())
         }
-        assert(thrown.getMessage.startsWith("ls: badDir: No such file or directory"))
+        assert(thrown.getMessage.contains("badDir: No such file or directory"))
       }
 
       it("should execute command and return output and error") {