diff --git a/.github/workflows/1-pr-check.yml b/.github/workflows/1-pr-check.yml
index a968e02..be46b04 100644
--- a/.github/workflows/1-pr-check.yml
+++ b/.github/workflows/1-pr-check.yml
@@ -62,4 +62,18 @@ jobs:
               exit 1
             fi
           done
+      - name: Check output
+        run: |
+          HEADER_REGEX='onset	duration	eventType	confidence	channels	dateTime	recordingDuration'
+
+          for algo in ${FILELIST}; do 
+            IMAGE=$(grep '^image: ' $algo | sed 's/^image: \+//' | tr -d \'\")
+            OUT=$(tr -cd '[:alnum:]' < <(echo $IMAGE) )
+            echo "running: $IMAGE"
+            docker run -v ./tests/data:/data -v /tmp:/output -e INPUT=unipolar.edf -e OUTPUT="${OUT}.tsv" $IMAGE
+            if ! [[ $(head -n1 "/tmp/${OUT}.tsv") =~ "$HEADER_REGEX" ]]; then
+              echo "Output does not have the expected header"
+              exit 1
+            fi
+          done
 
diff --git a/tests/data/bipolar.edf b/tests/data/bipolar.edf
new file mode 100644
index 0000000..40a8673
Binary files /dev/null and b/tests/data/bipolar.edf differ
diff --git a/tests/data/unipolar.edf b/tests/data/unipolar.edf
new file mode 100644
index 0000000..3972ce0
Binary files /dev/null and b/tests/data/unipolar.edf differ