diff --git a/test/parseCsv.spec.js b/test/parseCsv.spec.js
index 73ba810..66a9262 100644
--- a/test/parseCsv.spec.js
+++ b/test/parseCsv.spec.js
@@ -30,7 +30,9 @@ describe('handler/parseCsv.js', function() {
 
     it('should fail if malformed CSV data is provided',
       function(done) {
-        handler.process({data: dataJson})
+        // An unclosed quote should throw an error when processed by csv-parse.
+        const badData = '"test test\t';
+        handler.process({data: badData})
           .catch(function(err) {
             assert.ok(err, 'failure reported for malformed CSV data');
             done();
diff --git a/test/parseSpaces.spec.js b/test/parseSpaces.spec.js
index 3017679..fa0ee28 100644
--- a/test/parseSpaces.spec.js
+++ b/test/parseSpaces.spec.js
@@ -43,7 +43,9 @@ describe('handler/parseSpaces.js', function() {
 
     it('should fail if malformed space separated data is provided',
       function(done) {
-        handler.process({data: dataJson})
+        // An unclosed quote should throw an error when processed by csv-parse.
+        const badData = '"test test';
+        handler.process({data: badData})
           .catch(function(err) {
             assert.ok(err,
               'failure reported for malformed space separated data');
diff --git a/test/parseTabs.spec.js b/test/parseTabs.spec.js
index 8d5e5d1..a25fc3f 100644
--- a/test/parseTabs.spec.js
+++ b/test/parseTabs.spec.js
@@ -30,7 +30,9 @@ describe('handler/parseTabs.js', function() {
 
     it('should fail if malformed tab separated data is provided',
       function(done) {
-        handler.process({data: dataJson})
+        // An unclosed quote should throw an error when processed by csv-parse.
+        const badData = '"test test\t';
+        handler.process({data: badData})
           .catch(function(err) {
             assert.ok(err, 'failure reported for malformed tab separated data');
             done();