ci: test texttest result

.github/workflows/jq.yml

@@ -15,7 +15,8 @@ jobs:
             - name: Checkout code
               uses: actions/checkout@v3
 
-            - uses: actions-rs/toolchain@v1
+            - name: Setup Rust Toolchain
+              uses: actions-rs/toolchain@v1
               with:
                   profile: minimal
                   toolchain: stable
@@ -25,7 +26,13 @@ jobs:
               run: |
                   cargo install --locked --git https://github.com/01mf02/jaq
 
-            - name: Run tests on jq directory
+            - name: Expect unit test to fail
               working-directory: jq
               run: |
-                  ./test-gilded-rose.sh
+                  ! ./test-gilded-rose.sh
+
+            - name: Expect texttest fixture output
+              working-directory: jq
+              run: |
+                  jaq --arg days 10 -nr "$(cat gilded-rose.jq) $(cat texttest_fixture.jq)" |
+                  diff - texttest-10-day-result