diff --git a/dev/generic-test-harness.html b/dev/generic-test-harness.html
new file mode 100644
index 000000000..6735c279b
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+++ b/dev/generic-test-harness.html
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+<!DOCTYPE html>
+<html lang="en">
+<head>
+    <meta charset="utf-8">
+    <link href=https://igv.org/web/img/favicon.ico rel="shortcut icon">
+    <title>IGV - Dev</title>
+
+</head>
+
+<body>
+
+<div id="igv-container" style="padding-top: 50px;padding-bottom: 20px; height: auto">
+
+</div>
+
+<script type="module">
+
+    import igv from "../js/index.js";
+
+    const config =
+        {
+        queryParametersSupported: true,
+        locus: '19:49301000-49305700',
+        genome: "hg19",
+        tracks:
+            [
+            {
+                name: 'All pos bars',
+                url: '../../test/data/wig/allPositive.bedgraph',
+                // color: '#0f0',
+                indexed: false
+            },
+            {
+                name: 'All negative bars',
+                url: '../../test/data/wig/allNegativewig.bedgraph',
+                // color: '#f00',
+                indexed: false
+            },
+        ]
+    };
+
+    igv.createBrowser(document.getElementById("igv-container"), config).then(browser => {
+        console.log(`browser ${ browser.guid } is good to go`)
+    });
+
+
+</script>
+
+</body>
+
+</html>
+
