TG-23051 Specifying throwException and throwExceptionFactory for @InTestsMock when the mocked method is called

Author: ksunandr

src/main/java/com/diffblue/cover/annotations/InTestsMock.java

@@ -93,7 +93,7 @@
    * @return exception type to throw when the mocked {@link #method()} is called. Defaults to {@link
    *     NoException} to indicate no exception should be thrown.
    */
-  Class<?> throwException() default NoException.class;
+  Class<? extends Throwable> throwException() default NoException.class;
 
   /**
    * @return fully qualified name of the factory method used to create the exception to throw when

src/main/java/com/diffblue/cover/annotations/exceptions/NoException.java

@@ -18,7 +18,7 @@
  * Marker class used to indicate that no exception should be thrown by default in {@link
  * com.diffblue.cover.annotations.InTestsMock#throwException()}.
  */
-public final class NoException {
+public final class NoException extends Throwable {
   private NoException() {
     // This class should not be instantiated.
   }