Spec: add user creation test

Pipfile.lock

@@ -1,7 +1,7 @@
 {
     "_meta": {
         "hash": {
-            "sha256": "4f05d36196fe84944e2080a837510bfcfc5616a3e82204a4261bd22bbbc6086d"
+            "sha256": "a73a3b44f03ce3ee5c5b65a466f97ab3630d8f1666852e996afd6f529a1ba889"
         },
         "pipfile-spec": 6,
         "requires": {
@@ -83,7 +83,6 @@
                 "sha256:f0b278ce10936db1a37e6954e15a3730bea96a0997c26d7fee88e6c396c2086d",
                 "sha256:f11642dddbb0253cc8853254301b51390ba0081750a8ac03f20ea8103f0c56b6"
             ],
-            "markers": "python_version >= '2.7' and python_version not in '3.0, 3.1, 3.2, 3.3, 3.4' and python_version < '4'",
             "version": "==5.5"
         },
         "expects": {
@@ -105,7 +104,6 @@
                 "sha256:2de925e8d421f93bcea80d511b81accfb6a7e6b249afa4a5559557b0cf817097",
                 "sha256:340054c5bb459fc9fd40e7eb6768c5989f3e599d18224238465b5333bc8faa7d"
             ],
-            "markers": "python_version >= '3.6'",
             "version": "==16.2.0"
         },
         "path.py": {
@@ -115,6 +113,21 @@
             ],
             "index": "pypi",
             "version": "==12.5.0"
+        },
+        "pexpect": {
+            "hashes": [
+                "sha256:0b48a55dcb3c05f3329815901ea4fc1537514d6ba867a152b581d69ae3710937",
+                "sha256:fc65a43959d153d0114afe13997d439c22823a27cefceb5ff35c2178c6784c0c"
+            ],
+            "index": "pypi",
+            "version": "==4.8.0"
+        },
+        "ptyprocess": {
+            "hashes": [
+                "sha256:4b41f3967fce3af57cc7e94b888626c18bf37a083e3651ca8feeb66d492fef35",
+                "sha256:5c5d0a3b48ceee0b48485e0c26037c0acd7d29765ca3fbb5cb3831d347423220"
+            ],
+            "version": "==0.7.0"
         }
     },
     "develop": {}