diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 6bad4f7..4d7ec21 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -14,7 +14,7 @@ jobs:
         with:
           node-version: "14.x"
       - run: npm ci
-      - run: npm test
+      - run: npm run test:coverage
       - name: Report Tachometer Result
         uses: ./
         with:
@@ -31,7 +31,7 @@ jobs:
         with:
           node-version: "14.x"
       - run: npm ci
-      - run: npm test
+      - run: npm run test:coverage
       - name: Report Other Tachometer Result
         uses: andrewiggins/tachometer-reporter-action@master
         with:
diff --git a/dist/util.js b/dist/util.js
index b16094a..4563642 100644
--- a/dist/util.js
+++ b/dist/util.js
@@ -14035,6 +14035,7 @@ function getStateName(state) {
 		return state;
 	} else {
 		const keys = Object.keys(state);
+		/* c8 ignore next 3 */
 		if (keys.length !== 1) {
 			throw new Error(`Unexpected state shape object returned: ${state}`);
 		}
@@ -14431,6 +14432,7 @@ async function acquireCommentLock(github, context, getInitialBody, logger) {
 				break;
 			}
 
+			/* c8 ignore next 2 */
 			default:
 				throw new Error(`Unexpected stateName: ${JSON.stringify(stateName)}`);
 		}
@@ -14515,6 +14517,7 @@ async function readComment(github, context, logger) {
 				}
 			}
 		}
+		/* c8 ignore next 4 */
 	} catch (e) {
 		logger.warn("Error trying to read comments: " + e.message);
 		logger.debug(() => e.toString());
@@ -14531,6 +14534,7 @@ async function readComment(github, context, logger) {
  * @returns {Promise<import('./global').CommentData>}
  */
 async function updateComment(github, context, body, logger) {
+	/* c8 ignore next 3 */
 	if (context.commentId == null) {
 		throw new Error(`Cannot update comment if "context.commentId" is null`);
 	}
@@ -14616,6 +14620,8 @@ async function postOrUpdateComment(github, context, getCommentBody, logger) {
 	try {
 		const body = getFinalBody(context, getCommentBody, comment);
 		comment = await updateComment(github, context, body, logger);
+
+		/* c8 ignore next 4 */
 	} catch (e) {
 		logger.info(`Error updating comment: ${e.message}`);
 		logger.debug(() => e.toString());
diff --git a/package.json b/package.json
index 03161ef..227dd8b 100644
--- a/package.json
+++ b/package.json
@@ -10,7 +10,7 @@
     "build:index": "sucrase --production -t jsx --jsx-pragma h -d lib ./src",
     "build:action": "rollup -c ./rollup.config.js",
     "test": "uvu tests",
-    "test:coverage": "c8 --reporter=html --reporter=text npm test"
+    "test:coverage": "c8 --check-coverage --statements 100 --reporter=html --reporter=text npm test"
   },
   "repository": {
     "type": "git",
diff --git a/src/comments.js b/src/comments.js
index 0018170..4ad5023 100644
--- a/src/comments.js
+++ b/src/comments.js
@@ -61,6 +61,7 @@ function getStateName(state) {
 		return state;
 	} else {
 		const keys = Object.keys(state);
+		/* c8 ignore next 3 */
 		if (keys.length !== 1) {
 			throw new Error(`Unexpected state shape object returned: ${state}`);
 		}
@@ -457,6 +458,7 @@ async function acquireCommentLock(github, context, getInitialBody, logger) {
 				break;
 			}
 
+			/* c8 ignore next 2 */
 			default:
 				throw new Error(`Unexpected stateName: ${JSON.stringify(stateName)}`);
 		}
@@ -541,6 +543,7 @@ async function readComment(github, context, logger) {
 				}
 			}
 		}
+		/* c8 ignore next 4 */
 	} catch (e) {
 		logger.warn("Error trying to read comments: " + e.message);
 		logger.debug(() => e.toString());
@@ -557,6 +560,7 @@ async function readComment(github, context, logger) {
  * @returns {Promise<import('./global').CommentData>}
  */
 async function updateComment(github, context, body, logger) {
+	/* c8 ignore next 3 */
 	if (context.commentId == null) {
 		throw new Error(`Cannot update comment if "context.commentId" is null`);
 	}
@@ -642,6 +646,8 @@ async function postOrUpdateComment(github, context, getCommentBody, logger) {
 	try {
 		const body = getFinalBody(context, getCommentBody, comment);
 		comment = await updateComment(github, context, body, logger);
+
+		/* c8 ignore next 4 */
 	} catch (e) {
 		logger.info(`Error updating comment: ${e.message}`);
 		logger.debug(() => e.toString());
diff --git a/tests/results/multi-measure-no-names.json b/tests/results/multi-measure-no-names.json
index 87cb524..577ed28 100644
--- a/tests/results/multi-measure-no-names.json
+++ b/tests/results/multi-measure-no-names.json
@@ -44,7 +44,7 @@
         },
         {
           "absolute": {
-            "low": 2.303351653674162,
+            "low": 0,
             "high": 4.610315012993788
           },
           "percentChange": {
@@ -434,7 +434,7 @@
         {
           "absolute": {
             "low": -4.610315012993788,
-            "high": -2.303351653674162
+            "high": 0
           },
           "percentChange": {
             "low": -20.522852558105033,