Make command completion add space suffixes

Change-Id: I4cf6e35a4f896278cf492452c026434bfd080dce
diff --git a/tests/command_completion.cpp b/tests/command_completion.cpp
index 9ab146e..1d44646 100644
--- a/tests/command_completion.cpp
+++ b/tests/command_completion.cpp
@@ -57,15 +57,14 @@
     SECTION("cd")
     {
         input = "cd";
-        // TODO: depending on how Readline works, this will have to be changed to include a space
-        expectedCompletions = {"cd"};
+        expectedCompletions = {"cd "};
         expectedContextLength = 2;
     }
 
     SECTION("create")
     {
         input = "create";
-        expectedCompletions = {"create"};
+        expectedCompletions = {"create "};
         expectedContextLength = 6;
     }