Add pytest to Pipfile

Pipfile.lock

@@ -1,7 +1,7 @@
 {
     "_meta": {
         "hash": {
-            "sha256": "772851b6661af11cfdfc63062de6b894ea1b3f849eec2e665b8fd97be81ac72c"
+            "sha256": "ad05855f463975a7c461165b1f6a61f09782a791c2ded66bf623cd81af3f8f44"
         },
         "pipfile-spec": 6,
         "requires": {
@@ -128,6 +128,39 @@
             "markers": "python_version >= '3.5'",
             "version": "==3.6"
         },
+        "iniconfig": {
+            "hashes": [
+                "sha256:2d91e135bf72d31a410b17c16da610a82cb55f6b0477d1a902134b24a455b8b3",
+                "sha256:b6a85871a79d2e3b22d2d1b94ac2824226a63c6b741c88f7ae975f18b6778374"
+            ],
+            "markers": "python_version >= '3.7'",
+            "version": "==2.0.0"
+        },
+        "packaging": {
+            "hashes": [
+                "sha256:048fb0e9405036518eaaf48a55953c750c11e1a1b68e0dd1a9d62ed0c092cfc5",
+                "sha256:8c491190033a9af7e1d931d0b5dacc2ef47509b34dd0de67ed209b5203fc88c7"
+            ],
+            "markers": "python_version >= '3.7'",
+            "version": "==23.2"
+        },
+        "pluggy": {
+            "hashes": [
+                "sha256:cf61ae8f126ac6f7c451172cf30e3e43d3ca77615509771b3a984a0730651e12",
+                "sha256:d89c696a773f8bd377d18e5ecda92b7a3793cbe66c87060a6fb58c7b6e1061f7"
+            ],
+            "markers": "python_version >= '3.8'",
+            "version": "==1.3.0"
+        },
+        "pytest": {
+            "hashes": [
+                "sha256:2cf0005922c6ace4a3e2ec8b4080eb0d9753fdc93107415332f50ce9e7994280",
+                "sha256:b090cdf5ed60bf4c45261be03239c2c1c22df034fbffe691abe93cd80cea01d8"
+            ],
+            "index": "pypi",
+            "markers": "python_version >= '3.7'",
+            "version": "==7.4.4"
+        },
         "requests": {
             "hashes": [
                 "sha256:58cd2187c01e70e6e26505bca751777aa9f2ee0b7f4300988b709f44e013003f",