diff --git a/test/test_concat.php b/test/test_concat.php
index 415f825eb9..b0c53d6063 100644
--- a/test/test_concat.php
+++ b/test/test_concat.php
@@ -25,6 +25,7 @@
     $work->result_template = "concat_result";
     $work->nresults = 2;
     array_push($work->input_files, "input");
+    array_push($work->input_files, "input");
     $work->install($project);
 
     $project->start_feeder();
diff --git a/test/test_uc.php b/test/test_uc.php
index fc8e879d18..4caa70f13b 100644
--- a/test/test_uc.php
+++ b/test/test_uc.php
@@ -8,6 +8,13 @@
     $project = new Project;
     $user = new User();
     $host = new Host($user);
+
+    // the following is optional
+    $app = new App("core_client");
+    $app_version = new App_Version($app);
+    $project->add_app($app);
+    $project->add_app_version($app_version);
+
     $app = new App("upper_case");
     $app_version = new App_Version($app);
 
@@ -15,12 +22,6 @@
     $project->add_app($app);
     $project->add_app_version($app_version);
 
-    // the following is optional
-    $app = new App("core client");
-    $app_version = new App_Version($app);
-    $project->add_app($app);
-    $project->add_app_version($app_version);
-
     $project->install();      // must install projects before adding to hosts
 
     $host->log_flags = "log_flags.xml";