1 files changed, 18 insertions, 0 deletions
diff --git a/tests/runner/lib/prettyMs.js b/tests/runner/lib/prettyMs.js
new file mode 100644
index 000000000..99bae2b35
--- /dev/null
+++ b/tests/runner/lib/prettyMs.js
@@ -0,0 +1,18 @@
+/**
+ * Pretty print a time in milliseconds.
+ */
+export function prettyMs( time ) {
+	const minutes = Math.floor( time / 60000 );
+	const seconds = Math.floor( time / 1000 );
+	const ms = Math.floor( time % 1000 );
+
+	let prettyTime = `${ ms }ms`;
+	if ( seconds > 0 ) {
+		prettyTime = `${ seconds }s ${ prettyTime }`;
+	}
+	if ( minutes > 0 ) {
+		prettyTime = `${ minutes }m ${ prettyTime }`;
+	}
+
+	return prettyTime;
+}