Added failWhenEverythingSkipped command line option

src/main/java/rife/bld/extension/TestNgOperation.java

@@ -162,6 +162,14 @@ public class TestNgOperation extends AbstractProcessOperation<TestNgOperation> {
         return this;
     }
 
+    /**
+     * Should TestNG fail execution if all tests were skipped and nothing was run.
+     */
+    public TestNgOperation failWhenEverythingSkipped(Boolean isFailAllSkipped) {
+        options.put("-failwheneverythingskipped", String.valueOf(isFailAllSkipped));
+        return this;
+    }
+
     /**
      * Whether TestNG should continue to execute the remaining tests in the suite or skip them if in a {@code @Before*}
      * method.

src/test/java/rife/bld/extension/TestNgOperationTest.java

@@ -105,6 +105,15 @@ class TestNgOperationTest {
                 .doesNotThrowAnyException();
     }
 
+    @Test
+    void testFailWheneverEverythingSkipped() {
+        var op = new TestNgOperation().failWhenEverythingSkipped(false);
+        assertThat(op.options.get("-failwheneverythingskipped")).isEqualTo("false");
+
+        op = new TestNgOperation().failWhenEverythingSkipped(true);
+        assertThat(op.options.get("-failwheneverythingskipped")).isEqualTo("true");
+    }
+
     @Test
     void testFailurePolicy() {
         var op = new TestNgOperation().failurePolicy(TestNgOperation.FailurePolicy.CONTINUE);