fix: add exception for mocked classes with security manager - EXO-65023…

… - Meeds-io/meeds#1084

Before this fix, mocked classes does not pass the rules of security managers and thrown exceptions that cause the failing of unit tests
This fix adds Nullity checks and adds the pattern of mocked classes to identify mocked instances.

exo.kernel.commons.test/src/main/java/org/exoplatform/commons/test/TestSecurityManager.java

@@ -86,21 +86,21 @@ public void checkPermission(Permission perm)
                String className = traceElements[i].getClassName();
                String fileName = traceElements[i].getFileName();
                String methodName = traceElements[i].getMethodName();
-               if (i - 1 >= 0 && excludes.containsKey(className + "." + methodName)
-                  && excludes.get(className + "." + methodName).contains(traceElements[i - 1].getMethodName()))
+               if (className.contains("$MockitoMock$") || (i - 1 >= 0 && excludes.containsKey(className + "." + methodName)
+                  && excludes.get(className + "." + methodName).contains(traceElements[i - 1].getMethodName())))
                {
                   // the called method is excluded thus we ignore the exception
                   return;
                }
                if (className.startsWith("org.exoplatform"))
                {
                   // known tests classes
-                  if (fileName.startsWith("Test") || fileName.endsWith("Test.java")
+                  if (fileName != null && (fileName.startsWith("Test") || fileName.endsWith("Test.java")
                      || fileName.endsWith("TestBase.java") || fileName.endsWith("TestCase.java")
                      || fileName.equals("Probe.java") || fileName.equals("ExportBase.java")
                      || fileName.equals("AbstractTestContainer.java") || fileName.equals("ContainerBuilder.java")
                      || fileName.equals("WorkspaceStorageCacheBaseCase.java")
-                     || fileName.equals("ExoRepositoryStub.java") || fileName.equals("CloseableDataSource.java"))
+                     || fileName.equals("ExoRepositoryStub.java") || fileName.equals("CloseableDataSource.java")))
                   {
                      testCode = true;
                   }