finished ch17.6 and ch18 intro

.github/workflows/rust.yml

@@ -91,7 +91,7 @@ jobs:
 
     # Step 2: Run unit and integration tests (excluding documentation tests)
     - name: Run Tests
-      run: cargo test --tests --verbose
+      run: cd minigrep/ && cargo test --tests --verbose
 
   # name of the job
   documentation-check:
@@ -121,6 +121,7 @@ jobs:
     # Step 3: Check if documentation tests were run
     - name: Check for Documentation Tests
       run: |
+        cd minigrep/ &&
         DOC_TESTS=$(cargo test --doc --verbose)
         if [[ ! "$DOC_TESTS" =~ "running" ]]; then
           echo "No documentation tests were run!" && exit 1