diff --git a/.github/workflows/application-core-server-test.yml b/.github/workflows/application-core-server-test.yml
deleted file mode 100644
index 85d8a03..0000000
--- a/.github/workflows/application-core-server-test.yml
+++ /dev/null
@@ -1,27 +0,0 @@
-name: 🧪 Calendar Server Tests on Pull Request
-
-on:
-  pull_request:
-    branches:
-      - main
-      - dev
-
-jobs:
-  project-test:
-    runs-on: ubuntu-latest
-
-    steps:
-      - name: 📦 Checkout repository
-        uses: actions/checkout@v4
-
-      - name: 🏗️ Set up JDK 17
-        uses: actions/setup-java@v4
-        with:
-          distribution: 'temurin'
-          java-version: '17'
-
-      - name: 🎟️ Grant execute permission for gradlew
-        run: chmod +x gradlew
-
-      - name: 🧪 Spring Boot Test
-        run: ./gradlew clean application:wypl-core:test
\ No newline at end of file
diff --git a/.github/workflows/application-notification-server-test.yml b/.github/workflows/application-notification-server-test.yml
deleted file mode 100644
index e606f1e..0000000
--- a/.github/workflows/application-notification-server-test.yml
+++ /dev/null
@@ -1,27 +0,0 @@
-name: 🧪 Notification Server Tests on Pull Request
-
-on:
-  pull_request:
-    branches:
-      - main
-      - dev
-
-jobs:
-  project-test:
-    runs-on: ubuntu-latest
-
-    steps:
-      - name: 📦 Checkout repository
-        uses: actions/checkout@v4
-
-      - name: 🏗️ Set up JDK 21
-        uses: actions/setup-java@v4
-        with:
-          distribution: 'temurin'
-          java-version: '21'
-
-      - name: 🎟️ Grant execute permission for gradlew
-        run: chmod +x gradlew
-
-      - name: 🧪 Spring Boot Test
-        run: ./gradlew clean application:wypl-notification:test
\ No newline at end of file
diff --git a/.github/workflows/application-image-server-test.yml b/.github/workflows/backend-server-test.yml
similarity index 75%
rename from .github/workflows/application-image-server-test.yml
rename to .github/workflows/backend-server-test.yml
index f924a49..89d1865 100644
--- a/.github/workflows/application-image-server-test.yml
+++ b/.github/workflows/backend-server-test.yml
@@ -1,4 +1,4 @@
-name: 🧪 Image Server Tests on Pull Request
+name: 🧪 Backend Tests on Pull Request
 
 on:
   pull_request:
@@ -27,14 +27,14 @@ jobs:
         run: chmod +x gradlew
 
       - name: 🧪 Spring Boot Test
-        run: ./gradlew clean application:wypl-image:test
+        run: ./gradlew clean test
 
       - name: Add coverage to PR
         id: jacoco
         uses: madrapps/jacoco-report@v1.6.1
         with:
-          title: 📄 Image Server Jacoco Coverage Report
-          paths: ${{ github.workspace }}/**/wypl-image/reports/jacoco/test/jacocoTestReport.xml
+          title: 📄 Jacoco Coverage Report
+          paths: ${{ github.workspace }}/**/reports/jacoco/test/jacocoTestReport.xml
           token: ${{ secrets.GITHUB_TOKEN }}
           min-coverage-overall: 80
           min-coverage-changed-files: 80
\ No newline at end of file
diff --git a/client/aws-s3-client/build.gradle b/client/aws-s3-client/build.gradle
index 2fa8d17..c16d8ff 100644
--- a/client/aws-s3-client/build.gradle
+++ b/client/aws-s3-client/build.gradle
@@ -12,4 +12,60 @@ dependencies {
 
     testImplementation('org.springframework.boot:spring-boot-starter-test')
     testImplementation('org.mockito:mockito-core')
-}
\ No newline at end of file
+}
+
+/* Jacoco Start */
+tasks.withType(JacocoReport).configureEach {
+    reports {
+        html.required.set(true)
+        xml.required.set(true)
+        html.outputLocation.set(file("reports/jacoco/index.xml"))
+        xml.outputLocation.set(file("reports/jacoco/test/jacocoTestReport.xml"))
+    }
+
+    classDirectories.setFrom(
+            files(classDirectories.files.collect {
+                fileTree(it) {
+                    exclude(
+                            "**/*Application*",
+                            "**/*Configuration*",
+                            "**/*Request*",
+                            "**/*Response*",
+                            "**/common/**",
+                            "**/config/**",
+                            "**/data/**",
+                            "**/exception/**",
+                            "**/properties/**"
+                    )
+                }
+            })
+    )
+}
+
+tasks.jacocoTestCoverageVerification {
+    violationRules {
+        rule {
+            enabled = true
+            element = 'CLASS'
+
+            limit {
+                counter = 'LINE'
+                value = 'COVEREDRATIO'
+                minimum = 0.80D
+            }
+
+            excludes = [
+                    "**/*Application*",
+                    "**/*Configuration*",
+                    "**/*Request*",
+                    "**/*Response*",
+                    "**/common/**",
+                    "**/config/**",
+                    "**/data/**",
+                    "**/exception/**",
+                    "**/properties/**"
+            ]
+        }
+    }
+}
+/* Jacoco End */
\ No newline at end of file