correct some errors

.gitlab-ci.yml

@@ -5,7 +5,6 @@ build:
   script:
   - cargo build
 
-
 doc:
   stage: build
   script:
@@ -13,10 +12,10 @@ doc:
   - mv target/doc public
   artifacts:
     paths:
-    -public
+    - public
 
 test:
-  stage: doc tests
+  stage: test
   script:
   - cargo test --doc