change indentation

Author: pehbehbeh

docker-compose.test.yml

@@ -1,12 +1,11 @@
 version: '3.7'
-
 services:
-    sut:
-        build: .
-        command: /root/test/test-command.sh
-        environment: 
-            - STARTUP_COMMAND1=composer --version
-            - STARTUP_COMMAND2=php --version
-            - STARTUP_COMMAND3=chmod +x /root/test/test-command.sh
-        volumes: 
-            - ./test:/root/test
+  sut:
+    build: .
+    command: /root/test/test-command.sh
+    environment: 
+      - STARTUP_COMMAND1=composer --version
+      - STARTUP_COMMAND2=php --version
+      - STARTUP_COMMAND3=chmod +x /root/test/test-command.sh
+    volumes: 
+      - ./test:/root/test