small test fix

Author: gustovafing

src/main/java/com/gregtechceu/gtceu/common/cover/detector/AdvancedActivityDetectorCover.java

@@ -24,8 +24,10 @@ protected void update() {
             return;
 
         var workable = GTCapabilityHelper.getWorkable(coverHolder.getLevel(), coverHolder.getPos(), attachedSide);
-        if (workable == null || workable.getMaxProgress() == 0)
+        if (workable == null || workable.getMaxProgress() == 0) {
+            setRedstoneSignalOutput(0);
             return;
+        }
 
         int outputAmount = RedstoneUtil.computeRedstoneValue(workable.getProgress(), workable.getMaxProgress(),
                 isInverted());

src/test/java/com/gregtechceu/gtceu/common/cover/AdvancedDetectorCoverTest.java

@@ -28,7 +28,7 @@
 public class AdvancedDetectorCoverTest {
 
     @GameTest(template = "electrolyzer", batch = "coverTests", required = false)
-    public static void BLOCKED_BY_LDLIB_WEIRDNESS_PROBABLY_testAdvancedActivityDetectorCover(GameTestHelper helper) {
+    public static void testAdvancedActivityDetectorCoverWithActivity(GameTestHelper helper) {
         helper.pullLever(new BlockPos(2, 2, 2));
         MetaMachine machine = ((IMachineBlockEntity) helper.getBlockEntity(new BlockPos(1, 2, 1))).getMetaMachine();
         TestUtils.placeCover(helper, machine, GTItems.COVER_ACTIVITY_DETECTOR_ADVANCED.asStack(), Direction.WEST);
@@ -40,7 +40,7 @@ public static void BLOCKED_BY_LDLIB_WEIRDNESS_PROBABLY_testAdvancedActivityDetec
     }
 
     @GameTest(template = "electrolyzer", batch = "coverTests", required = false)
-    public static void BLOCKED_BY_LDLIB_WEIRDNESS_TOO_PROBABLY_testAdvancedActivityDetectorCover(GameTestHelper helper) {
+    public static void testAdvancedActivityDetectorCoverWithoutActivity(GameTestHelper helper) {
         helper.pullLever(new BlockPos(2, 2, 2));
         MetaMachine machine = ((IMachineBlockEntity) helper.getBlockEntity(new BlockPos(1, 2, 1))).getMetaMachine();
         TestUtils.placeCover(helper, machine, GTItems.COVER_ACTIVITY_DETECTOR_ADVANCED.asStack(), Direction.WEST);