diff --git a/test/integration/fixtures/metadata.fixture.ts b/test/integration/fixtures/metadata.fixture.ts
index b1dc5b5..a68b325 100644
--- a/test/integration/fixtures/metadata.fixture.ts
+++ b/test/integration/fixtures/metadata.fixture.ts
@@ -4,35 +4,22 @@ import {
   PullRequestSynchronizeEvent,
 } from '@octokit/webhooks-types';
 
-import { events } from '../../../src/events';
-
 import payloadPullRequestOpened from '../fixtures/payloads/pull-request-opened.json';
 import payloadPullRequestReopened from '../fixtures/payloads/pull-request-reopened.json';
 import payloadPullRequestSynchronize from '../fixtures/payloads/pull-request-synchronize.json';
 
 export interface IMetadataTestContext {
-  payloads: {
-    type: (typeof events.pull_request)[number];
-    payload:
-      | PullRequestOpenedEvent
-      | PullRequestReopenedEvent
-      | PullRequestSynchronizeEvent;
-  }[];
+  payloads: (
+    | PullRequestOpenedEvent
+    | PullRequestReopenedEvent
+    | PullRequestSynchronizeEvent
+  )[];
 }
 
 export const metadataContextFixture: IMetadataTestContext = {
   payloads: [
-    {
-      type: 'pull_request.opened',
-      payload: payloadPullRequestOpened as PullRequestOpenedEvent,
-    },
-    {
-      type: 'pull_request.reopened',
-      payload: payloadPullRequestReopened as PullRequestReopenedEvent,
-    },
-    {
-      type: 'pull_request.synchronize',
-      payload: payloadPullRequestSynchronize as PullRequestSynchronizeEvent,
-    },
+    payloadPullRequestOpened as PullRequestOpenedEvent,
+    payloadPullRequestReopened as PullRequestReopenedEvent,
+    payloadPullRequestSynchronize as PullRequestSynchronizeEvent,
   ],
 };
diff --git a/test/unit/config.test.ts b/test/unit/config.test.ts
index 029c158..d4f2450 100644
--- a/test/unit/config.test.ts
+++ b/test/unit/config.test.ts
@@ -6,6 +6,7 @@ import {
   configContextFixture,
   IConfigTestContext,
 } from './fixtures/config.fixture';
+import { CustomOctokit } from '../../src/octokit';
 
 describe('Config Object', () => {
   beforeEach<IConfigTestContext>(context => {
@@ -29,6 +30,65 @@ describe('Config Object', () => {
     });
   });
 
+  test('getConfig()', async () => {
+    process.env['INPUT_CONFIG-PATH'] = '.github/development-freeze.yml';
+    process.env['GITHUB_REPOSITORY'] = 'test/test';
+
+    const configObject = {
+      policy: [
+        {
+          tags: ['alpha', 'beta'],
+          feedback: {
+            'frozen-state': 'This is No-No',
+            'unfreeze-state': 'This is Yes-Yes',
+          },
+          random: 'random',
+        },
+      ],
+    };
+
+    const noConfigObject = undefined;
+
+    const octokit = (data: unknown) => {
+      return {
+        config: {
+          get: async (options: {
+            owner: string;
+            repo: string;
+            path: string;
+          }) => {
+            return {
+              config: data,
+              files: [options.path],
+            };
+          },
+        },
+      } as unknown as CustomOctokit;
+    };
+
+    let config = await Config.getConfig(octokit(configObject));
+    expect(config.policy).toMatchInlineSnapshot(`
+      [
+        {
+          "feedback": {
+            "frozen-state": "This is No-No",
+            "unfreeze-state": "This is Yes-Yes",
+          },
+          "tags": [
+            "alpha",
+            "beta",
+          ],
+        },
+      ]
+    `);
+
+    await expect(
+      Config.getConfig(octokit(noConfigObject))
+    ).rejects.toThrowErrorMatchingInlineSnapshot(
+      "\"Missing configuration. Please setup 'devel-freezer' Action using '.github/development-freeze.yml' file.\""
+    );
+  });
+
   test<IConfigTestContext>('is config empty', context => {
     context.configs.map(async item =>
       expect(Config.isConfigEmpty(item)).toEqual(false)
diff --git a/test/unit/fixtures/metadata.fixture.ts b/test/unit/fixtures/metadata.fixture.ts
index c63023e..670eb58 100644
--- a/test/unit/fixtures/metadata.fixture.ts
+++ b/test/unit/fixtures/metadata.fixture.ts
@@ -4,7 +4,6 @@ import { Metadata } from '../../../src/metadata';
 
 export interface IMetadataTestContext {
   metadata: Metadata[];
-  invalid: Metadata[];
 }
 
 const controller = {} as MetadataController;
@@ -16,23 +15,4 @@ export const metadataContextFixture: IMetadataTestContext = {
     new Metadata(0, controller, { tag: undefined, commentID: '123456789' }),
     new Metadata(0, controller, { tag: 'v1', commentID: '123456789' }),
   ],
-
-  invalid: [
-    // @ts-expect-error: Let's ignore a type error, it's required for testing
-    new Metadata(),
-    // @ts-expect-error: Let's ignore a type error, it's required for testing
-    new Metadata(null),
-    // @ts-expect-error: Let's ignore a type error, it's required for testing
-    new Metadata(undefined),
-    // @ts-expect-error: Let's ignore a type error, it's required for testing
-    new Metadata(''),
-    // @ts-expect-error: Let's ignore a type error, it's required for testing
-    new Metadata({}),
-    // @ts-expect-error: Let's ignore a type error, it's required for testing
-    new Metadata([]),
-    // @ts-expect-error: Let's ignore a type error, it's required for testing
-    new Metadata({ tag: null, commentID: null }),
-    // @ts-expect-error: Let's ignore a type error, it's required for testing
-    new Metadata({ tag: undefined, commentID: 123456789 }),
-  ],
 };
diff --git a/test/unit/fixtures/tag.fixture.ts b/test/unit/fixtures/tag.fixture.ts
index 9b191c7..02f0c88 100644
--- a/test/unit/fixtures/tag.fixture.ts
+++ b/test/unit/fixtures/tag.fixture.ts
@@ -3,7 +3,6 @@ import { Tag } from '../../../src/tag';
 export interface ITagTestContext {
   tags: Tag[];
   tagPolicy: string[][];
-  invalid: Tag[];
 }
 
 export const tagContextFixture: ITagTestContext = {
@@ -19,17 +18,4 @@ export const tagContextFixture: ITagTestContext = {
   ],
 
   tagPolicy: [['^S*-rcd$'], ['alpha', 'beta'], ['latest']],
-
-  invalid: [
-    // @ts-expect-error: Let's ignore a type error, it's required for testing
-    new Tag(),
-    // @ts-expect-error: Let's ignore a type error, it's required for testing
-    new Tag(null),
-    new Tag(undefined),
-    new Tag(''),
-    // @ts-expect-error: Let's ignore a type error, it's required for testing
-    new Tag({}),
-    // @ts-expect-error: Let's ignore a type error, it's required for testing
-    new Tag([]),
-  ],
 };
diff --git a/test/unit/metadata.test.ts b/test/unit/metadata.test.ts
index dfa68a9..bfb0f29 100644
--- a/test/unit/metadata.test.ts
+++ b/test/unit/metadata.test.ts
@@ -8,14 +8,11 @@ import {
 describe('Metadata Object', () => {
   beforeEach<IMetadataTestContext>(context => {
     context.metadata = metadataContextFixture.metadata;
-    context.invalid = metadataContextFixture.invalid;
   });
 
   it<IMetadataTestContext>('can be instantiated', context =>
     context.metadata.map(metadataItem => expect(metadataItem).toBeDefined()));
 
-  it.todo<IMetadataTestContext>('is invalid');
-
   test<IMetadataTestContext>('get tag()', context =>
     context.metadata.map(metadataItem =>
       expect(metadataItem.tag).toMatchSnapshot()
diff --git a/test/unit/tag.test.ts b/test/unit/tag.test.ts
index 379e870..6c10065 100644
--- a/test/unit/tag.test.ts
+++ b/test/unit/tag.test.ts
@@ -6,20 +6,11 @@ describe('Tag Object', () => {
   beforeEach<ITagTestContext>(context => {
     context.tags = tagContextFixture.tags;
     context.tagPolicy = tagContextFixture.tagPolicy;
-    context.invalid = tagContextFixture.invalid;
   });
 
   it<ITagTestContext>('can be instantiated', context =>
     context.tags.map(tagsItem => expect(tagsItem).toBeDefined()));
 
-  it.todo<ITagTestContext>(
-    'is invalid' /*, async context => {
-    context.invalid.map(async item =>
-      expect(Metadata.validate(item)).resolves.toMatchSnapshot()
-    );
-  }*/
-  );
-
   test<ITagTestContext>('get latest()', context =>
     context.tags.map(tagsItem => expect(tagsItem.latest).toMatchSnapshot()));