Issue checkstyle#11446: last verify method is masked by suppression

pom.xml

@@ -1858,7 +1858,8 @@
                 <!-- content of file does not matter at all -->
                 <exclude>**/RegexpOnFilenameCheckTest.class</exclude>
 
-                <!-- due to https://github.com/checkstyle/checkstyle/pull/13193 All the code needs to be in single line -->
+                <!-- due to https://github.com/checkstyle/checkstyle/pull/13193
+                     All the code needs to be in single line -->
                 <exclude>**/OneStatementPerLineCheckTest.class</exclude>
 
                 <!-- this class contain forbidden verify method -->
@@ -1872,7 +1873,7 @@
                 <!-- content header is conflicting with Input inline header -->
                 <exclude>**/RegexpHeaderCheckTest.class</exclude>
 
-                <!-- all bellow until https://github.com/checkstyle/checkstyle/issues/11446 -->
+                <!-- until https://github.com/checkstyle/checkstyle/issues/15636 -->
                 <exclude>**/CheckerTest.class</exclude>
               </excludes>
             </configuration>

src/test/java/com/puppycrawl/tools/checkstyle/CheckerTest.java

@@ -85,6 +85,7 @@
 import com.puppycrawl.tools.checkstyle.internal.utils.CloseAndFlushTestByteArrayOutputStream;
 import com.puppycrawl.tools.checkstyle.internal.utils.TestUtil;
 import com.puppycrawl.tools.checkstyle.utils.CommonUtil;
+import de.thetaphi.forbiddenapis.SuppressForbidden;
 
 /**
  * CheckerTest.
@@ -1651,6 +1652,14 @@ public void testUnmappableCharacters() throws Exception {
                 expected);
     }
 
+    /**
+     * This tests uses 'verify' method, because it needs some config
+     * to be executed on non-existing Input file,
+     * but BDD style methods need config in existing file.
+     *
+     * @throws Exception exception
+     */
+    @SuppressForbidden
     @Test
     public void testViolationMessageOnIoException() throws Exception {
         final DefaultConfiguration checkConfig =