diff --git a/java_console/autotest/src/com/rusefi/FunctionalTest.java b/java_console/autotest/src/com/rusefi/FunctionalTest.java
index a89d1e609d..2a67a77798 100644
--- a/java_console/autotest/src/com/rusefi/FunctionalTest.java
+++ b/java_console/autotest/src/com/rusefi/FunctionalTest.java
@@ -22,15 +22,8 @@ import static com.rusefi.config.generated.Fields.*;
  * @author Andrey Belomutskiy
  * 3/5/14
  */
-public class FunctionalTest {
-    private EcuTestHelper ecu;
-
-    @Before
-    public void startUp() {
-        ecu = EcuTestHelper.createInstance();
-    }
-
-	@Test
+public class FunctionalTest extends RusefiTestBase {
+    @Test
 	public void testChangingIgnitionMode() {
 		String msg = "change ign mode";
 
@@ -61,7 +54,7 @@ public class FunctionalTest {
 			EngineChart chart = nextChart();
 
 			// All 4 cylinders should be firing
-			assertWaveNotNull(chart, EngineChart.SPARK_1);
+            assertWaveNotNull(chart, EngineChart.SPARK_1);
             assertWaveNotNull(chart, EngineChart.SPARK_2);
             assertWaveNotNull(chart, EngineChart.SPARK_3);
 			assertWaveNotNull(chart, EngineChart.SPARK_4);
diff --git a/java_console/autotest/src/com/rusefi/HighRevTest.java b/java_console/autotest/src/com/rusefi/HighRevTest.java
index 634d8041eb..fce15d99d6 100644
--- a/java_console/autotest/src/com/rusefi/HighRevTest.java
+++ b/java_console/autotest/src/com/rusefi/HighRevTest.java
@@ -7,11 +7,9 @@ import org.junit.Test;
 import static com.rusefi.functional_tests.EcuTestHelper.FAIL;
 import static com.rusefi.config.generated.Fields.*;
 
-public class HighRevTest {
+public class HighRevTest extends RusefiTestBase {
     @Test
     public void testVW() {
-        EcuTestHelper ecu = EcuTestHelper.createInstance();
-
         ecu.setEngineType(ET_VW_ABA);
         // trying to disable engine sniffer to help https://github.com/rusefi/rusefi/issues/1849
         ecu.sendCommand("set " + CMD_ENGINESNIFFERRPMTHRESHOLD + " 100");
@@ -22,15 +20,12 @@ public class HighRevTest {
 
     @Test
     public void testV12() {
-        EcuTestHelper ecu = EcuTestHelper.createInstance();
         ecu.setEngineType(ET_BMW_M73_F);
         ecu.changeRpm(700);
         // first let's get to expected RPM
         EcuTestHelper.assertRpmDoesNotJump(6000, 5, 40, FAIL, ecu.commandQueue);
-        testCaseBug1873(ecu);
-    }
 
-    private void testCaseBug1873(EcuTestHelper ecu) {
+        // tests bug 1873
         EcuTestHelper.assertRpmDoesNotJump(60, 5, 110, FAIL, ecu.commandQueue);
     }
 }
diff --git a/java_console/autotest/src/com/rusefi/MiscTest.java b/java_console/autotest/src/com/rusefi/MiscTest.java
index 3ef8609906..058564de13 100644
--- a/java_console/autotest/src/com/rusefi/MiscTest.java
+++ b/java_console/autotest/src/com/rusefi/MiscTest.java
@@ -5,11 +5,9 @@ import com.rusefi.functional_tests.EcuTestHelper;
 import org.junit.Ignore;
 import org.junit.Test;
 
-public class MiscTest {
+public class MiscTest extends RusefiTestBase {
     @Test
     public void burn() {
-        EcuTestHelper ecu = EcuTestHelper.createInstance();
-
         BinaryProtocol bp = ecu.getLinkManager().getCurrentStreamState();
         // let's make sure 'burn' command works since sometimes it does not
         bp.burn();
diff --git a/java_console/autotest/src/com/rusefi/PwmHardwareTest.java b/java_console/autotest/src/com/rusefi/PwmHardwareTest.java
index e82790dde8..0d31d46f93 100644
--- a/java_console/autotest/src/com/rusefi/PwmHardwareTest.java
+++ b/java_console/autotest/src/com/rusefi/PwmHardwareTest.java
@@ -18,13 +18,17 @@ import static com.rusefi.config.generated.Fields.*;
  * PD2<>PA5
  */
 
-public class PwmHardwareTest {
+public class PwmHardwareTest extends RusefiTestBase {
+    @Override
+    boolean needsHardwareTriggerInput() {
+        // This test uses hardware trigger input!
+        return true;
+    }
+
     private static final int FREQUENCY = 160;
 
     @Test
     public void testIdlePin() {
-        EcuTestHelper ecu = EcuTestHelper.createInstance(true);
-
         ecu.setEngineType(ET_FRANKENSO_MIATA_NA6);
         ecu.sendCommand(getDisableCommand(Fields.CMD_SELF_STIMULATION));
         ecu.changeRpm(1000);
diff --git a/java_console/autotest/src/com/rusefi/RusefiTestBase.java b/java_console/autotest/src/com/rusefi/RusefiTestBase.java
new file mode 100644
index 0000000000..855e825687
--- /dev/null
+++ b/java_console/autotest/src/com/rusefi/RusefiTestBase.java
@@ -0,0 +1,18 @@
+package com.rusefi;
+
+import com.rusefi.functional_tests.EcuTestHelper;
+import org.junit.Before;
+
+public class RusefiTestBase {
+    protected EcuTestHelper ecu;
+
+    boolean needsHardwareTriggerInput() {
+        // Most tests do not, but some may need it
+        return false;
+    }
+
+    @Before
+    public void startUp() {
+        ecu = EcuTestHelper.createInstance(needsHardwareTriggerInput());
+    }
+}
diff --git a/java_console/autotest/src/com/rusefi/VssHardwareLoopTest.java b/java_console/autotest/src/com/rusefi/VssHardwareLoopTest.java
index f5a3bec540..d6a494d230 100644
--- a/java_console/autotest/src/com/rusefi/VssHardwareLoopTest.java
+++ b/java_console/autotest/src/com/rusefi/VssHardwareLoopTest.java
@@ -16,11 +16,15 @@ import static com.rusefi.config.generated.Fields.*;
  * PD1<>PC6
  * PD2<>PA5
  */
-public class VssHardwareLoopTest {
+public class VssHardwareLoopTest extends RusefiTestBase {
+    @Override
+    boolean needsHardwareTriggerInput() {
+        // This test uses hardware trigger input!
+        return true;
+    }
+
     @Test
     public void test() {
-        EcuTestHelper ecu = EcuTestHelper.createInstance(true);
-
         ecu.setEngineType(ET_FRANKENSO_MIATA_NA6);
         ecu.sendCommand(getDisableCommand(Fields.CMD_SELF_STIMULATION));
         ecu.changeRpm(1400);