tests: move mocks to tests/*

tests/mocks/api/github/graphql/discussions.categories.mjs

@@ -0,0 +1,27 @@
+/**Mocked data */
+export default function({faker, query, login = faker.internet.userName()}) {
+  console.debug("metrics/compute/mocks > mocking graphql api result > discussions/categories")
+  return /after: "MOCKED_CURSOR"/m.test(query)
+    ? ({
+      user:{
+        repositoryDiscussions:{
+          edges:[],
+          nodes:[],
+        }
+      }
+    })
+    : ({
+      user:{
+        repositoryDiscussions:{
+          edges:new Array(100).fill(null).map(_ => ({cursor:"MOCKED_CURSOR"})),
+          nodes:new Array(100).fill(null).map(_ => ({
+            category:{
+              emoji:faker.random.arrayElement([":chart_with_upwards_trend:", ":chart_with_downwards_trend:", ":bar_char:"]),
+              name:faker.lorem.slug()
+            }
+          }))
+        }
+      }
+    })
+}
+