Missing a "/" at the end of the jtreg tag comment which needs to be
added as below.
--- a/test/java/awt/font/GlyphVector/GetGlyphCharIndexTest.java
+++ b/test/java/awt/font/GlyphVector/GetGlyphCharIndexTest.java
@@ -24,7 +24,7 @@
 /* @test
  * @summary Test getGlyphCharIndex() results from layout
  * @bug 8152680
- *
+ */

 import java.awt.Font;
 import java.awt.font.FontRenderContext;

---