add regression test coverage for --display.

Add coverage to add 'display' when saving profile

tests/cli/test_build.py

@@ -416,6 +416,7 @@ def test_save_profile(self):
         BuildTest(
             configuration=buildtest_configuration,
             buildspecs=buildspecs,
+            display=["output", "test"],
             exclude_buildspecs=buildspecs,
             tags=["python"],
             executors=["generic.local.csh"],
@@ -524,6 +525,15 @@ def test_retry(self):
         cmd = BuildTest(configuration=configuration, buildspecs=buildspecs, retry=2)
         cmd.build()
 
+    def test_display(self):
+        buildspecs = [os.path.join(BUILDTEST_ROOT, "tutorials", "post_run.yml")]
+        cmd = BuildTest(
+            configuration=configuration,
+            buildspecs=buildspecs,
+            display=["output", "test"],
+        )
+        cmd.build()
+
 
 def test_discover():
     # test single buildspec file