Fix broken tests on Circle and revert debugging code

Author: Jeremy Wiebe

circle.yml

@@ -7,7 +7,10 @@ jobs:
     steps:
       - checkout
       - run: npm install
-      - run: npm test
+        # npm outputs extra info on... ?linux? that breaks the diffs in docs/test/
+        # test.sh causing tests to fail on CircleCI only, but not on a macOS. As a
+        # result we use `--quiet` to suppress this npm output.
+      - run: npm test --quiet 
       - deploy:
           command: |
             if [ "${CIRCLE_BRANCH}" == "master" ]; then

docs/test/test.sh

@@ -15,10 +15,7 @@ LINT_MD="$TEST_DIR/../bin/lint-md"
 #"$LINT_MD" "$TEST_DIR/a-bad-filename.md" --no-color > "$TEST_DIR/a-bad-filename.expected.md" 2>&1
 
 # Compare remark output with expected output. Fail on diff.
-set -x
 echo "Testing good.md ..."
-"$LINT_MD" "$TEST_DIR/good.md" --no-color 2>&1
-echo "*******************"
 diff <("$LINT_MD" "$TEST_DIR/good.md" --no-color 2>&1) "$TEST_DIR/good.expected.md"
 EXIT_GOOD=$?
 echo "good.md -> $EXIT_GOOD"