Reduce level of skip message to VERBOSE.

PR:  27784


git-svn-id: https://svn.apache.org/repos/asf/ant/core/trunk@276249 13f79535-47bb-0310-9956-ffa450edef68

src/main/org/apache/tools/ant/taskdefs/ImportTask.java

@@ -136,7 +136,7 @@ public class ImportTask extends Task {
         if (importStack.contains(importedFile)) {
             getProject().log(
                 "Skipped already imported file:\n   "
-                + importedFile + "\n", Project.MSG_WARN);
+                + importedFile + "\n", Project.MSG_VERBOSE);
             return;
         }
 

src/testcases/org/apache/tools/ant/taskdefs/ImportTest.java

@@ -51,8 +51,12 @@ public class ImportTest extends BuildFileTest {
 
     public void testSerial() {
         configureProject("src/etc/testcases/taskdefs/import/subdir/serial.xml");
-        assertLogContaining(
-            "Unnamed2.xmlUnnamed1.xmlSkipped already imported file");
+        assertLogContaining("Unnamed2.xmlUnnamed1.xml");
+        String fullLog = getFullLog();
+        String substring = "Skipped already imported file";
+        assertTrue("expecting full log to contain \"" + substring
+            + "\" full log was \"" + fullLog + "\"",
+            fullLog.indexOf(substring) >= 0);
     }
 
     // allow this as imported in targets are only tested when a target is run