Adding API Proxy tests.

api/apiproxy/features/apiproxy.feature

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+Feature: The API Proxy client
+    Scenario: A HTTP request with json body response
+        Given a API Proxy client
+        When a request is made with GET for the API: https://pokeapi.co/api/v2/pokemon/ditto
+        Then there must be a json response
+        And the pokemon name must be ditto
+    
+
+    Scenario: A HTTP request with text body response
+        Given a API Proxy client
+        When a request is made with GET for the API: https://www.slashdot.org
+        Then the response content type must be string

api/apiproxy/features/steps/steps.py

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+from re import A
+from behave import *
+from cli import API_Proxy
+
+# =========================== JSON RESPONSE BODY ===========================
+@given(u'a API Proxy client')
+def step_impl(context):
+    context.client = API_Proxy ()
+
+@when(u'a request is made with GET for the API: https://pokeapi.co/api/v2/pokemon/ditto')
+def step_impl(context):
+    context.response = context.client.do (
+        {
+            "Method": "GET",
+            "Url":    "https://pokeapi.co/api/v2/pokemon/ditto",
+	    }
+    )
+
+@then(u'there must be a json response')
+def step_impl(context):
+    assert type (context.response) == dict, "Something went wrong calling the pokemon/ditto API."
+
+@then(u'the pokemon name must be ditto')
+def step_impl(context):
+    assert context.response["forms"][0]["name"] == "ditto", "This pokemon is not Ditto."
+
+
+
+# =========================== TEXT RESPONSE BODY ===========================
+@when(u'a request is made with GET for the API: https://www.slashdot.org')
+def step_impl(context):
+    context.response = context.client.do (
+        {
+            "Method": "GET",
+            "Url":    "https://www.slashdot.org",
+	    }
+    )
+
+@then(u'the response content type must be string')
+def step_impl(context):
+    assert type (context.response) == str, "Something went wrong calling the slashdot API."