Add mgmt manifest to API tests

.gitignore

@@ -8,3 +8,5 @@ contrib/kubernetes/helm/alerta/charts
 .idea/*
 
 /.bundle/
+
+/venv/

tests/spec/api_spec.rb

@@ -26,44 +26,50 @@
         expect(JSON.parse(result.body)['provider']).to eq("basic")
       end
     end
-    context "/management" do
-      context "get properties" do
-        result = Client.get "#{GATEWAY_BASE_URL}/management/properties", {'x-api-key' => 'demo-key'}
-        it "return 200" do
-          expect(result.code).to eq(200)
-        end
-        it "X-Forwarded-For header is set" do
-          expect(result.body).to include("X-Forwarded-For")
-        end
+  end
+  context "/management" do
+    context "get manifest" do
+      result = Client.get "#{GATEWAY_BASE_URL}/management/manifest", {'x-api-key' => 'demo-key'}
+      it "return 200" do
+        expect(result.code).to eq(200)
+      end
+    end
+    context "get properties" do
+      result = Client.get "#{GATEWAY_BASE_URL}/management/properties", {'x-api-key' => 'demo-key'}
+      it "return 200" do
+        expect(result.code).to eq(200)
+      end
+      it "X-Forwarded-For header is set" do
+        expect(result.body).to include("X-Forwarded-For")
+      end
+    end
+    context "get healthcheck" do
+      result = Client.get "#{GATEWAY_BASE_URL}/management/gtg"
+      it "return 200" do
+        expect(result.code).to eq(200)
+      end
+      it "good-to-go is OK" do
+        expect(result.body).to eq("OK")
+      end
+      it "response header does not contain nginx version" do
+        expect(result.headers[:server]).to eq("nginx")
       end
-      context "get healthcheck" do
-        result = Client.get "#{GATEWAY_BASE_URL}/management/gtg"
-        it "return 200" do
-          expect(result.code).to eq(200)
-        end
-        it "good-to-go is OK" do
-          expect(result.body).to eq("OK")
-        end
-        it "response header does not contain nginx version" do
-          expect(result.headers[:server]).to eq("nginx")
-        end
+    end
+  end
+  context "/alerts" do
+    context "get without auth" do
+      result = Client.get "#{GATEWAY_BASE_URL}/alerts"
+      it "return 401" do
+        expect(result.code).to eq(401)
       end
     end
-    context "/alerts" do
-      context "get without auth" do
-        result = Client.get "#{GATEWAY_BASE_URL}/alerts"
-        it "return 401" do
-          expect(result.code).to eq(401)
-        end
+    context "get" do
+      result = Client.get "#{GATEWAY_BASE_URL}/alerts?api-key=demo-key"
+      it "return 200" do
+        expect(result.code).to eq(200)
       end
-      context "get" do
-        result = Client.get "#{GATEWAY_BASE_URL}/alerts?api-key=demo-key"
-        it "return 200" do
-          expect(result.code).to eq(200)
-        end
-        it "total is 0" do
-          expect(JSON.parse(result.body)['total']).to eq(0)
-        end
+      it "total is 0" do
+        expect(JSON.parse(result.body)['total']).to eq(0)
       end
     end
   end