8288989: Make tests not depend on the source code

Reviewed-by: mcimadamore

Author: asotona

test/langtools/jdk/javadoc/doclet/testDocletExample/TestDocletExample.java

@@ -50,8 +50,12 @@
 
 public class TestDocletExample extends TestRunner {
     public static void main(String... args) throws Exception {
-        var t = new TestDocletExample();
-        t.runTests(m -> new Object[] { Path.of(m.getName()) });
+        try {
+            var t = new TestDocletExample();
+            t.runTests(m -> new Object[] { Path.of(m.getName()) });
+        } catch (SnippetUtils.ConfigurationException e) {
+            System.err.println("NOTE: " + e.getMessage() + "; test skipped");
+        }
     }
 
     SnippetUtils snippets;

test/langtools/tools/javac/api/snippets/TestJavaxToolsSnippets.java

@@ -58,7 +58,11 @@
  */
 public class TestJavaxToolsSnippets extends TestRunner {
     public static void main(String... args) throws Exception {
-        new TestJavaxToolsSnippets().runTests(m -> new Object[] { Path.of(m.getName()) });
+        try {
+            new TestJavaxToolsSnippets().runTests(m -> new Object[] { Path.of(m.getName()) });
+        } catch (SnippetUtils.ConfigurationException e) {
+            System.err.println("NOTE: " + e.getMessage() + "; test skipped");
+        }
     }
 
     SnippetUtils snippets = new SnippetUtils("java.compiler");