test: add mock responses for schema-only branch tests

Co-Authored-By: [email protected] <[email protected]>

mocks/main/projects/test/branches/POST.json

@@ -0,0 +1,20 @@
+{
+  "branch": {
+    "id": "br-new-branch-123456",
+    "name": "test_schema_only_branch",
+    "created_at": "2021-01-01T00:00:00.000Z"
+  },
+  "endpoints": [
+    {
+      "id": "ep-undefined-123456",
+      "type": "read_write",
+      "created_at": "2021-01-01T00:00:00.000Z",
+      "host": "undefined.example.com"
+    }
+  ],
+  "connection_uris": [
+    {
+      "connection_uri": "postgres://ep-undefined-123456.example.com:5432/test_project"
+    }
+  ]
+}

mocks/main/projects/test/branches/POST_schema_only_no_compute.json

@@ -0,0 +1,4 @@
+{
+  "code": "invalid_request",
+  "message": "Schema-only branches require a compute endpoint"
+}

mocks/main/projects/test/branches/POST_schema_only_readonly.json

@@ -0,0 +1,4 @@
+{
+  "code": "invalid_request",
+  "message": "Schema-only branches require a read-write compute endpoint"
+}