diff --git a/jest.config.js b/jest.config.js
index 6eaa59da9..a27374193 100644
--- a/jest.config.js
+++ b/jest.config.js
@@ -7,6 +7,5 @@ module.exports = {
   transform: {
     '^.+\\.ts$': 'ts-jest'
   },
-  verbose: true,
-  setupFilesAfterEnv: [`./jest/test.ts`]
+  verbose: true
 };
diff --git a/jest/test.ts b/jest/test.ts
deleted file mode 100644
index d6dd801e9..000000000
--- a/jest/test.ts
+++ /dev/null
@@ -1,9 +0,0 @@
-// Disabled the colors to:
-// - improve the performances
-// - avoid to mock styles
-// - avoid to have failing tests when testing the logs due to the extra text the log message will contains
-//
-// Note:
-// If you need to debug the log colours you can remove this line temporarily
-// But some tests will fail
-jest.mock('ansi-styles');
diff --git a/src/classes/loggers/issue-logger.spec.ts b/src/classes/loggers/issue-logger.spec.ts
index 2ff48350d..5c0f615eb 100644
--- a/src/classes/loggers/issue-logger.spec.ts
+++ b/src/classes/loggers/issue-logger.spec.ts
@@ -26,12 +26,17 @@ describe('IssueLogger', (): void => {
     });
 
     it('should log a warning with the given message and with the issue number as prefix', (): void => {
-      expect.assertions(2);
+      expect.assertions(3);
 
       issueLogger.warning(message);
 
       expect(coreWarningSpy).toHaveBeenCalledTimes(1);
-      expect(coreWarningSpy).toHaveBeenCalledWith('[#8] dummy-message');
+      expect(coreWarningSpy).toHaveBeenCalledWith(
+        expect.stringContaining('[#8]')
+      );
+      expect(coreWarningSpy).toHaveBeenCalledWith(
+        expect.stringContaining('dummy-message')
+      );
     });
   });
 
@@ -52,12 +57,15 @@ describe('IssueLogger', (): void => {
     });
 
     it('should log an information with the given message and with the issue number as prefix', (): void => {
-      expect.assertions(2);
+      expect.assertions(3);
 
       issueLogger.info(message);
 
       expect(coreInfoSpy).toHaveBeenCalledTimes(1);
-      expect(coreInfoSpy).toHaveBeenCalledWith('[#8] dummy-message');
+      expect(coreInfoSpy).toHaveBeenCalledWith(expect.stringContaining('[#8]'));
+      expect(coreInfoSpy).toHaveBeenCalledWith(
+        expect.stringContaining('dummy-message')
+      );
     });
   });
 
@@ -78,17 +86,22 @@ describe('IssueLogger', (): void => {
     });
 
     it('should log an error with the given message and with the issue number as prefix', (): void => {
-      expect.assertions(2);
+      expect.assertions(3);
 
       issueLogger.error(message);
 
       expect(coreErrorSpy).toHaveBeenCalledTimes(1);
-      expect(coreErrorSpy).toHaveBeenCalledWith('[#8] dummy-message');
+      expect(coreErrorSpy).toHaveBeenCalledWith(
+        expect.stringContaining('[#8]')
+      );
+      expect(coreErrorSpy).toHaveBeenCalledWith(
+        expect.stringContaining('dummy-message')
+      );
     });
   });
 
   it('should prefix the message with the issue number', (): void => {
-    expect.assertions(2);
+    expect.assertions(3);
     message = 'dummy-message';
     issue = new Issue(
       DefaultProcessorOptions,
@@ -102,7 +115,12 @@ describe('IssueLogger', (): void => {
     issueLogger.warning(message);
 
     expect(coreWarningSpy).toHaveBeenCalledTimes(1);
-    expect(coreWarningSpy).toHaveBeenCalledWith('[#123] dummy-message');
+    expect(coreWarningSpy).toHaveBeenCalledWith(
+      expect.stringContaining('[#123]')
+    );
+    expect(coreWarningSpy).toHaveBeenCalledWith(
+      expect.stringContaining('dummy-message')
+    );
   });
 
   it.each`
@@ -114,7 +132,7 @@ describe('IssueLogger', (): void => {
   `(
     'should replace the special tokens "$$type" with the corresponding type',
     ({pull_request, replacement}): void => {
-      expect.assertions(2);
+      expect.assertions(3);
       message = 'The $$type will stale! $$type will soon be closed!';
       issue = new Issue(
         DefaultProcessorOptions,
@@ -130,7 +148,12 @@ describe('IssueLogger', (): void => {
 
       expect(coreWarningSpy).toHaveBeenCalledTimes(1);
       expect(coreWarningSpy).toHaveBeenCalledWith(
-        `[#8] The ${replacement} will stale! ${replacement} will soon be closed!`
+        expect.stringContaining(`[#8]`)
+      );
+      expect(coreWarningSpy).toHaveBeenCalledWith(
+        expect.stringContaining(
+          `The ${replacement} will stale! ${replacement} will soon be closed!`
+        )
       );
     }
   );
@@ -144,7 +167,7 @@ describe('IssueLogger', (): void => {
   `(
     'should replace the special token "$$type" with the corresponding type with first letter as uppercase',
     ({pull_request, replacement}): void => {
-      expect.assertions(2);
+      expect.assertions(3);
       message = '$$type will stale';
       issue = new Issue(
         DefaultProcessorOptions,
@@ -160,7 +183,10 @@ describe('IssueLogger', (): void => {
 
       expect(coreWarningSpy).toHaveBeenCalledTimes(1);
       expect(coreWarningSpy).toHaveBeenCalledWith(
-        `[#8] ${replacement} will stale`
+        expect.stringContaining(`[#8]`)
+      );
+      expect(coreWarningSpy).toHaveBeenCalledWith(
+        expect.stringContaining(`${replacement} will stale`)
       );
     }
   );
diff --git a/src/classes/loggers/logger.spec.ts b/src/classes/loggers/logger.spec.ts
index f36d5a94d..8a36bf54e 100644
--- a/src/classes/loggers/logger.spec.ts
+++ b/src/classes/loggers/logger.spec.ts
@@ -25,7 +25,9 @@ describe('Logger', (): void => {
       logger.warning(message);
 
       expect(coreWarningSpy).toHaveBeenCalledTimes(1);
-      expect(coreWarningSpy).toHaveBeenCalledWith('dummy-message');
+      expect(coreWarningSpy).toHaveBeenCalledWith(
+        expect.stringContaining('dummy-message')
+      );
     });
   });
 
@@ -46,7 +48,9 @@ describe('Logger', (): void => {
       logger.info(message);
 
       expect(coreInfoSpy).toHaveBeenCalledTimes(1);
-      expect(coreInfoSpy).toHaveBeenCalledWith('dummy-message');
+      expect(coreInfoSpy).toHaveBeenCalledWith(
+        expect.stringContaining('dummy-message')
+      );
     });
   });
 
@@ -67,7 +71,9 @@ describe('Logger', (): void => {
       logger.error(message);
 
       expect(coreErrorSpy).toHaveBeenCalledTimes(1);
-      expect(coreErrorSpy).toHaveBeenCalledWith('dummy-message');
+      expect(coreErrorSpy).toHaveBeenCalledWith(
+        expect.stringContaining('dummy-message')
+      );
     });
   });
 });
diff --git a/tsconfig.app.json b/tsconfig.app.json
index 0a2600f31..2b5d80c1f 100644
--- a/tsconfig.app.json
+++ b/tsconfig.app.json
@@ -1,5 +1,5 @@
 {
   "extends": "./tsconfig.json",
-  "exclude": ["node_modules", "**/*.spec.ts", "jest"],
+  "exclude": ["node_modules", "**/*.spec.ts"],
   "include": ["src"]
 }
diff --git a/tsconfig.json b/tsconfig.json
index a0af4f6fb..ed2e7fe08 100644
--- a/tsconfig.json
+++ b/tsconfig.json
@@ -8,5 +8,5 @@
     "esModuleInterop": true /* Enables emit interoperability between CommonJS and ES Modules via creation of namespace objects for all imports. Implies 'allowSyntheticDefaultImports'. */
     //"sourceMap": true
   },
-  "include": ["src", "__tests__", "jest"]
+  "include": ["src", "__tests__"]
 }
diff --git a/tsconfig.spec.json b/tsconfig.spec.json
index 91eeec039..14f9e85f3 100644
--- a/tsconfig.spec.json
+++ b/tsconfig.spec.json
@@ -1,5 +1,5 @@
 {
   "extends": "./tsconfig.json",
-  "include": ["src", "__tests__", "jest"],
+  "include": ["src", "__tests__"],
   "exclude": ["node_modules"]
 }