[Scene] 테스트 씬 업데이트

- 보스 및 플레이어 프리팹 배치
- UI 요소 설정 업데이트

Ultraworked with [Sisyphus](https://github.com/code-yeongyu/oh-my-opencode)

Co-authored-by: Sisyphus <clio-agent@sisyphuslabs.ai>

Assets/Scenes/Test.unity

@@ -451,6 +451,18 @@ PrefabInstance:
       propertyPath: m_AnchoredPosition.y
       value: 0
       objectReference: {fileID: 0}
+    - target: {fileID: 170188453522781500, guid: 54087b4bd46db9e4fb7da13cf7a6cc69, type: 3}
+      propertyPath: m_AnchorMax.x
+      value: 0.2
+      objectReference: {fileID: 0}
+    - target: {fileID: 170188453522781500, guid: 54087b4bd46db9e4fb7da13cf7a6cc69, type: 3}
+      propertyPath: m_AnchorMax.y
+      value: 1
+      objectReference: {fileID: 0}
+    - target: {fileID: 170188453522781500, guid: 54087b4bd46db9e4fb7da13cf7a6cc69, type: 3}
+      propertyPath: m_AnchorMin.x
+      value: 0.2
+      objectReference: {fileID: 0}
     - target: {fileID: 222507439395443271, guid: 54087b4bd46db9e4fb7da13cf7a6cc69, type: 3}
       propertyPath: m_Enabled
       value: 0
@@ -527,6 +539,18 @@ PrefabInstance:
       propertyPath: m_AnchoredPosition.y
       value: 0
       objectReference: {fileID: 0}
+    - target: {fileID: 2668790415109567114, guid: 54087b4bd46db9e4fb7da13cf7a6cc69, type: 3}
+      propertyPath: m_AnchorMax.x
+      value: 0.2
+      objectReference: {fileID: 0}
+    - target: {fileID: 2668790415109567114, guid: 54087b4bd46db9e4fb7da13cf7a6cc69, type: 3}
+      propertyPath: m_AnchorMax.y
+      value: 1
+      objectReference: {fileID: 0}
+    - target: {fileID: 2668790415109567114, guid: 54087b4bd46db9e4fb7da13cf7a6cc69, type: 3}
+      propertyPath: m_AnchorMin.x
+      value: 0.2
+      objectReference: {fileID: 0}
     - target: {fileID: 3299919758736932218, guid: 54087b4bd46db9e4fb7da13cf7a6cc69, type: 3}
       propertyPath: m_SizeDelta.x
       value: 0