diff --git a/tests/src/client/client.test.js b/tests/src/client/client.test.js
index 735c1e8..33b18bf 100644
--- a/tests/src/client/client.test.js
+++ b/tests/src/client/client.test.js
@@ -1,5 +1,6 @@
 const { client } = require('../../../src');
 const { readFileSync } = require('fs');
+const { expect } = require('@jest/globals');
 
 // Mocks
 jest.mock('discord.js');
@@ -18,10 +19,27 @@ describe('Client Tests', () => {
         instance = new client(config, commandConfig);
 
         expect(instance.config).toBe(config);
+        expect(instance.commandConfig).toBe(commandConfig);
         expect(instance.events).toBeDefined();
         expect(instance.util).toBeDefined();
     });
 
+    test('Configure Client (Undefined: config)', () => {
+        expect(() => {
+            instance = new client(config, commandConfig);
+            instance._config = undefined;
+            instance.start();
+        }).toThrow("Config has not been set");
+    });
+
+    test('Configure Client (Undefined: Command Config)', () => {
+        expect(() => {
+            instance = new client(config, commandConfig);
+            instance._commandConfig = undefined;
+            instance.start();
+        }).toThrow("Command Config has not been set");
+    });
+
     test('Configure Client (Incorrect parameters: token)', () => {
         expect(() => {
             delete config.token;
@@ -51,7 +69,9 @@ describe('Client Tests', () => {
     });
 
     test('Start Client', () => {
-        instance = new client(config, commandConfig);
-        instance.start();
+        expect(() => {
+            instance = new client(config, commandConfig);
+            instance.start();
+        }).not.toThrow();
     });
 });
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