diff --git a/tests/test_utils/config_builder.py b/tests/test_utils/config_builder.py
new file mode 100644
index 0000000..f662b9f
--- /dev/null
+++ b/tests/test_utils/config_builder.py
@@ -0,0 +1,123 @@
+"""
+Copyright 2020 The Magma Authors.
+
+This source code is licensed under the BSD-style license found in the
+LICENSE file in the root directory of this source tree.
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+"""
+
+from lte.protos.mconfig import mconfigs_pb2
+from devices.device_utils import EnodebDeviceName
+
+
+class EnodebConfigBuilder:
+    @classmethod
+    def get_mconfig(
+        cls,
+        device: EnodebDeviceName = EnodebDeviceName.BAICELLS,
+    ) -> mconfigs_pb2.EnodebD:
+        mconfig = mconfigs_pb2.EnodebD()
+        mconfig.bandwidth_mhz = 20
+        # This earfcndl is actually unused, remove later
+        mconfig.earfcndl = 44490
+        mconfig.log_level = 1
+        mconfig.plmnid_list = "00101"
+        mconfig.pci = 260
+        mconfig.allow_enodeb_transmit = False
+        mconfig.tac = 1
+        if device is EnodebDeviceName.BAICELLS_QAFB:
+            # fdd config
+            mconfig.fdd_config.earfcndl = 9211
+        elif device is EnodebDeviceName.CAVIUM:
+            # fdd config
+            mconfig.fdd_config.earfcndl = 2405
+        else:
+            # tdd config
+            mconfig.tdd_config.earfcndl = 39150
+            mconfig.tdd_config.subframe_assignment = 2
+            mconfig.tdd_config.special_subframe_pattern = 7
+
+        return mconfig
+
+    @classmethod
+    def get_multi_enb_mconfig(
+        cls,
+    ) -> mconfigs_pb2.EnodebD:
+        mconfig = mconfigs_pb2.EnodebD()
+        mconfig.bandwidth_mhz = 20
+        mconfig.special_subframe_pattern = 7
+        # This earfcndl is actually unused, remove later
+        mconfig.earfcndl = 44490
+        mconfig.log_level = 1
+        mconfig.plmnid_list = "00101"
+        mconfig.pci = 260
+        mconfig.allow_enodeb_transmit = False
+        mconfig.subframe_assignment = 2
+        mconfig.tac = 1
+
+        # tdd config, unused because of multi-enb config
+        mconfig.tdd_config.earfcndl = 39150
+        mconfig.tdd_config.subframe_assignment = 2
+        mconfig.tdd_config.special_subframe_pattern = 7
+
+        id1 = '120200002618AGP0003'
+        #enb_conf_1 = mconfigs_pb2.EnodebD.EnodebConfig()
+        mconfig.enb_configs_by_serial[id1]\
+                .earfcndl = 39151
+        mconfig.enb_configs_by_serial[id1]\
+                .subframe_assignment = 2
+        mconfig.enb_configs_by_serial[id1]\
+                .special_subframe_pattern = 7
+        mconfig.enb_configs_by_serial[id1]\
+                .pci = 259
+        mconfig.enb_configs_by_serial[id1]\
+                .bandwidth_mhz = 20
+        mconfig.enb_configs_by_serial[id1] \
+            .tac = 1
+        mconfig.enb_configs_by_serial[id1] \
+            .cell_id = 0
+        mconfig.enb_configs_by_serial[id1]\
+            .transmit_enabled = True
+        mconfig.enb_configs_by_serial[id1]\
+            .device_class = 'Baicells Band 40'
+
+        id2 = '120200002618AGP0004'
+        #enb_conf_2 = mconfigs_pb2.EnodebD.EnodebConfig()
+        mconfig.enb_configs_by_serial[id2]\
+                .earfcndl = 39151
+        mconfig.enb_configs_by_serial[id2]\
+                .subframe_assignment = 2
+        mconfig.enb_configs_by_serial[id2]\
+                .special_subframe_pattern = 7
+        mconfig.enb_configs_by_serial[id2]\
+                .pci = 261
+        mconfig.enb_configs_by_serial[id2] \
+            .bandwidth_mhz = 20
+        mconfig.enb_configs_by_serial[id2] \
+            .tac = 1
+        mconfig.enb_configs_by_serial[id2] \
+            .cell_id = 0
+        mconfig.enb_configs_by_serial[id2]\
+                .transmit_enabled = True
+        mconfig.enb_configs_by_serial[id2]\
+                .device_class = 'Baicells Band 40'
+
+        return mconfig
+
+    @classmethod
+    def get_service_config(cls):
+        return {
+            "tr069": {
+                "interface": "eth1",
+                "port": 48080,
+                "perf_mgmt_port": 8081,
+                "public_ip": "192.88.99.142",
+            },
+            "reboot_enodeb_on_mme_disconnected": True,
+            "s1_interface": "eth1",
+        }