diff --git a/tests/test_medialive/test_medialive.py b/tests/test_medialive/test_medialive.py
index c1ec3503f..ce5e55df5 100644
--- a/tests/test_medialive/test_medialive.py
+++ b/tests/test_medialive/test_medialive.py
@@ -1,5 +1,4 @@
 import boto3
-import sure  # noqa # pylint: disable=unused-import
 from moto import mock_medialive
 from uuid import uuid4
 
@@ -111,21 +110,16 @@ def test_create_channel_succeeds():
     channel_config = _create_channel_config("test channel 1")
 
     response = client.create_channel(**channel_config)
+    assert response["ResponseMetadata"]["HTTPStatusCode"] == 200
 
-    response["ResponseMetadata"]["HTTPStatusCode"].should.equal(200)
-    response["Channel"]["Arn"].should.equal(
-        f"arn:aws:medialive:channel:{response['Channel']['Id']}"
-    )
-    response["Channel"]["Destinations"].should.equal(channel_config["Destinations"])
-    response["Channel"]["EncoderSettings"].should.equal(
-        channel_config["EncoderSettings"]
-    )
-    response["Channel"]["InputAttachments"].should.equal(
-        channel_config["InputAttachments"]
-    )
-    response["Channel"]["Name"].should.equal("test channel 1")
-    response["Channel"]["State"].should.equal("CREATING")
-    response["Channel"]["Tags"]["Customer"].should.equal("moto")
+    channel = response["Channel"]
+    assert channel["Arn"] == f"arn:aws:medialive:channel:{response['Channel']['Id']}"
+    assert channel["Destinations"] == channel_config["Destinations"]
+    assert channel["EncoderSettings"] == channel_config["EncoderSettings"]
+    assert channel["InputAttachments"] == channel_config["InputAttachments"]
+    assert channel["Name"] == "test channel 1"
+    assert channel["State"] == "CREATING"
+    assert channel["Tags"]["Customer"] == "moto"
 
 
 @mock_medialive
@@ -139,15 +133,15 @@ def test_list_channels_succeeds():
     client.create_channel(**channel2_config)
 
     response = client.list_channels()
-    len(response["Channels"]).should.equal(2)
+    assert len(response["Channels"]) == 2
 
-    response["Channels"][0]["Name"].should.equal("test channel 1")
-    response["Channels"][0]["ChannelClass"].should.equal("STANDARD")
-    response["Channels"][0]["PipelinesRunningCount"].should.equal(2)
+    assert response["Channels"][0]["Name"] == "test channel 1"
+    assert response["Channels"][0]["ChannelClass"] == "STANDARD"
+    assert response["Channels"][0]["PipelinesRunningCount"] == 2
 
-    response["Channels"][1]["Name"].should.equal("test channel 2")
-    response["Channels"][1]["ChannelClass"].should.equal("SINGLE_PIPELINE")
-    response["Channels"][1]["PipelinesRunningCount"].should.equal(1)
+    assert response["Channels"][1]["Name"] == "test channel 2"
+    assert response["Channels"][1]["ChannelClass"] == "SINGLE_PIPELINE"
+    assert response["Channels"][1]["PipelinesRunningCount"] == 1
 
 
 @mock_medialive
@@ -156,11 +150,11 @@ def test_delete_channel_moves_channel_in_deleted_state():
     channel_name = "test channel X"
     channel_config = _create_channel_config(channel_name)
 
-    create_response = client.create_channel(**channel_config)
-    delete_response = client.delete_channel(ChannelId=create_response["Channel"]["Id"])
+    channel_id = client.create_channel(**channel_config)["Channel"]["Id"]
+    delete_response = client.delete_channel(ChannelId=channel_id)
 
-    delete_response["Name"].should.equal(channel_name)
-    delete_response["State"].should.equal("DELETING")
+    assert delete_response["Name"] == channel_name
+    assert delete_response["State"] == "DELETING"
 
 
 @mock_medialive
@@ -169,22 +163,16 @@ def test_describe_channel_succeeds():
     channel_name = "test channel X"
     channel_config = _create_channel_config(channel_name)
 
-    create_response = client.create_channel(**channel_config)
-    describe_response = client.describe_channel(
-        ChannelId=create_response["Channel"]["Id"]
-    )
+    channel_id = client.create_channel(**channel_config)["Channel"]["Id"]
+    channel = client.describe_channel(ChannelId=channel_id)
 
-    describe_response["Arn"].should.equal(
-        f"arn:aws:medialive:channel:{describe_response['Id']}"
-    )
-    describe_response["Destinations"].should.equal(channel_config["Destinations"])
-    describe_response["EncoderSettings"].should.equal(channel_config["EncoderSettings"])
-    describe_response["InputAttachments"].should.equal(
-        channel_config["InputAttachments"]
-    )
-    describe_response["Name"].should.equal(channel_name)
-    describe_response["State"].should.equal("IDLE")
-    describe_response["Tags"]["Customer"].should.equal("moto")
+    assert channel["Arn"] == f"arn:aws:medialive:channel:{channel['Id']}"
+    assert channel["Destinations"] == channel_config["Destinations"]
+    assert channel["EncoderSettings"] == channel_config["EncoderSettings"]
+    assert channel["InputAttachments"] == channel_config["InputAttachments"]
+    assert channel["Name"] == channel_name
+    assert channel["State"] == "IDLE"
+    assert channel["Tags"]["Customer"] == "moto"
 
 
 @mock_medialive
@@ -193,15 +181,12 @@ def test_start_channel_succeeds():
     channel_name = "testchan1"
     channel_config = _create_channel_config(channel_name)
 
-    create_response = client.create_channel(**channel_config)
-    start_response = client.start_channel(ChannelId=create_response["Channel"]["Id"])
-    start_response["Name"].should.equal(channel_name)
-    start_response["State"].should.equal("STARTING")
+    channel_id = client.create_channel(**channel_config)["Channel"]["Id"]
+    start_response = client.start_channel(ChannelId=channel_id)
+    assert start_response["Name"] == channel_name
+    assert start_response["State"] == "STARTING"
 
-    describe_response = client.describe_channel(
-        ChannelId=create_response["Channel"]["Id"]
-    )
-    describe_response["State"].should.equal("RUNNING")
+    assert client.describe_channel(ChannelId=channel_id)["State"] == "RUNNING"
 
 
 @mock_medialive
@@ -210,18 +195,14 @@ def test_stop_channel_succeeds():
     channel_name = "testchan2"
     channel_config = _create_channel_config(channel_name)
 
-    create_response = client.create_channel(**channel_config)
-    channel_id = create_response["Channel"]["Id"]
+    channel_id = client.create_channel(**channel_config)["Channel"]["Id"]
     assert len(channel_id) > 1
     client.start_channel(ChannelId=channel_id)
     stop_response = client.stop_channel(ChannelId=channel_id)
-    stop_response["Name"].should.equal(channel_name)
-    stop_response["State"].should.equal("STOPPING")
+    assert stop_response["Name"] == channel_name
+    assert stop_response["State"] == "STOPPING"
 
-    describe_response = client.describe_channel(
-        ChannelId=create_response["Channel"]["Id"]
-    )
-    describe_response["State"].should.equal("IDLE")
+    assert client.describe_channel(ChannelId=channel_id)["State"] == "IDLE"
 
 
 @mock_medialive
@@ -230,19 +211,17 @@ def test_update_channel_succeeds():
     channel_name = "Original Channel"
     channel_config = _create_channel_config(channel_name)
 
-    create_response = client.create_channel(**channel_config)
-    channel_id = create_response["Channel"]["Id"]
-    assert len(channel_id) > 1
+    channel_id = client.create_channel(**channel_config)["Channel"]["Id"]
 
-    update_response = client.update_channel(
+    updated_channel = client.update_channel(
         ChannelId=channel_id, Name="Updated Channel"
-    )
-    update_response["Channel"]["State"].should.equal("UPDATING")
-    update_response["Channel"]["Name"].should.equal("Updated Channel")
+    )["Channel"]
+    assert updated_channel["State"] == "UPDATING"
+    assert updated_channel["Name"] == "Updated Channel"
 
-    describe_response = client.describe_channel(ChannelId=channel_id)
-    describe_response["State"].should.equal("IDLE")
-    describe_response["Name"].should.equal("Updated Channel")
+    channel = client.describe_channel(ChannelId=channel_id)
+    assert channel["State"] == "IDLE"
+    assert channel["Name"] == "Updated Channel"
 
 
 @mock_medialive
@@ -252,24 +231,24 @@ def test_create_input_succeeds():
     input_config = _create_input_config(input_name)
 
     create_response = client.create_input(**input_config)
-    create_response["ResponseMetadata"]["HTTPStatusCode"].should.equal(200)
+    assert create_response["ResponseMetadata"]["HTTPStatusCode"] == 200
     r_input = create_response["Input"]
     input_id = r_input["Id"]
     assert len(input_id) > 1
-    r_input["Arn"].should.equal(f"arn:aws:medialive:input:{r_input['Id']}")
-    r_input["Name"].should.equal(input_name)
-    r_input["AttachedChannels"].should.equal([])
-    r_input["Destinations"].should.equal(input_config["Destinations"])
-    r_input["InputClass"].should.equal("STANDARD")
-    r_input["InputDevices"].should.equal(input_config["InputDevices"])
-    r_input["InputSourceType"].should.equal("STATIC")
-    r_input["MediaConnectFlows"].should.equal(input_config["MediaConnectFlows"])
-    r_input["RoleArn"].should.equal(input_config["RoleArn"])
-    r_input["SecurityGroups"].should.equal([])
-    r_input["Sources"].should.equal(input_config["Sources"])
-    r_input["State"].should.equal("CREATING")
-    r_input["Tags"].should.equal(input_config["Tags"])
-    r_input["Type"].should.equal(input_config["Type"])
+    assert r_input["Arn"] == f"arn:aws:medialive:input:{r_input['Id']}"
+    assert r_input["Name"] == input_name
+    assert r_input["AttachedChannels"] == []
+    assert r_input["Destinations"] == input_config["Destinations"]
+    assert r_input["InputClass"] == "STANDARD"
+    assert r_input["InputDevices"] == input_config["InputDevices"]
+    assert r_input["InputSourceType"] == "STATIC"
+    assert r_input["MediaConnectFlows"] == input_config["MediaConnectFlows"]
+    assert r_input["RoleArn"] == input_config["RoleArn"]
+    assert r_input["SecurityGroups"] == []
+    assert r_input["Sources"] == input_config["Sources"]
+    assert r_input["State"] == "CREATING"
+    assert r_input["Tags"] == input_config["Tags"]
+    assert r_input["Type"] == input_config["Type"]
 
 
 @mock_medialive
@@ -279,16 +258,14 @@ def test_describe_input_succeeds():
     input_config = _create_input_config(input_name)
 
     create_response = client.create_input(**input_config)
-    create_response["ResponseMetadata"]["HTTPStatusCode"].should.equal(200)
-    create_response["Input"]["State"].should.equal("CREATING")
+    assert create_response["ResponseMetadata"]["HTTPStatusCode"] == 200
+    assert create_response["Input"]["State"] == "CREATING"
 
     describe_response = client.describe_input(InputId=create_response["Input"]["Id"])
-    describe_response["ResponseMetadata"]["HTTPStatusCode"].should.equal(200)
-    describe_response["Name"].should.equal(input_name)
-    describe_response["State"].should.equal("DETACHED")
-    describe_response["MediaConnectFlows"].should.equal(
-        input_config["MediaConnectFlows"]
-    )
+    assert describe_response["ResponseMetadata"]["HTTPStatusCode"] == 200
+    assert describe_response["Name"] == input_name
+    assert describe_response["State"] == "DETACHED"
+    assert describe_response["MediaConnectFlows"] == input_config["MediaConnectFlows"]
 
 
 @mock_medialive
@@ -299,11 +276,11 @@ def test_list_inputs_succeeds():
     input_config2 = _create_input_config("Input Two")
     client.create_input(**input_config2)
 
-    response = client.list_inputs()
-    len(response["Inputs"]).should.equal(2)
+    inputs = client.list_inputs()["Inputs"]
+    assert len(inputs) == 2
 
-    response["Inputs"][0]["Name"].should.equal("Input One")
-    response["Inputs"][1]["Name"].should.equal("Input Two")
+    assert inputs[0]["Name"] == "Input One"
+    assert inputs[1]["Name"] == "Input Two"
 
 
 @mock_medialive
@@ -312,13 +289,13 @@ def test_delete_input_moves_input_in_deleted_state():
     input_name = "test input X"
     input_config = _create_input_config(input_name)
 
-    create_response = client.create_input(**input_config)
-    delete_response = client.delete_input(InputId=create_response["Input"]["Id"])
-    delete_response["ResponseMetadata"]["HTTPStatusCode"].should.equal(200)
+    input_id = client.create_input(**input_config)["Input"]["Id"]
+    response = client.delete_input(InputId=input_id)
+    assert response["ResponseMetadata"]["HTTPStatusCode"] == 200
 
-    describe_response = client.describe_input(InputId=create_response["Input"]["Id"])
-    describe_response["Name"].should.equal(input_name)
-    describe_response["State"].should.equal("DELETED")
+    input_ = client.describe_input(InputId=input_id)
+    assert input_["Name"] == input_name
+    assert input_["State"] == "DELETED"
 
 
 @mock_medialive
@@ -327,8 +304,6 @@ def test_update_input_succeeds():
     input_name = "test input X"
     input_config = _create_input_config(input_name)
 
-    create_response = client.create_input(**input_config)
-    update_response = client.update_input(
-        InputId=create_response["Input"]["Id"], Name="test input U"
-    )
-    update_response["Input"]["Name"].should.equal("test input U")
+    input_id = client.create_input(**input_config)["Input"]["Id"]
+    input_ = client.update_input(InputId=input_id, Name="test input U")
+    assert input_["Input"]["Name"] == "test input U"
diff --git a/tests/test_medialive/test_server.py b/tests/test_medialive/test_server.py
index 6ebe6ebad..46e830377 100644
--- a/tests/test_medialive/test_server.py
+++ b/tests/test_medialive/test_server.py
@@ -1,5 +1,4 @@
-import sure  # noqa # pylint: disable=unused-import
-
+import json
 import moto.server as server
 from moto import mock_medialive
 
@@ -15,7 +14,7 @@ def test_medialive_list_channels():
 
     res = test_client.get("/prod/channels")
     result = res.data.decode("utf-8")
-    result.should.contain('"channels": []')
+    assert json.loads(result) == {"channels": [], "nextToken": None}
 
 
 @mock_medialive
@@ -26,4 +25,4 @@ def test_medialive_list_inputs():
     res = test_client.get("/prod/inputs")
 
     result = res.data.decode("utf-8")
-    result.should.contain('"inputs": []')
+    assert json.loads(result) == {"inputs": [], "nextToken": None}