feat(widget): 캐릭터 채팅 썸네일 컴포넌트를 추가한다

app/build.gradle

@@ -164,6 +164,12 @@ android {
         checkDependencies true
         checkReleaseBuilds false
     }
+
+    testOptions {
+        unitTests {
+            includeAndroidResources = true
+        }
+    }
 }
 
 dependencies {
@@ -287,6 +293,8 @@ dependencies {
     testImplementation 'org.mockito:mockito-inline:5.2.0'
     testImplementation 'org.mockito.kotlin:mockito-kotlin:6.1.0'
     testImplementation 'io.mockk:mockk:1.14.6'
+    testImplementation 'androidx.test:core-ktx:1.6.1'
+    testImplementation 'org.robolectric:robolectric:4.15.1'
 
     androidTestImplementation 'androidx.test:core-ktx:1.6.1'
     androidTestImplementation 'androidx.test.ext:junit:1.2.1'