diff --git a/java_console/autotest/src/com/rusefi/AutoTest.java b/java_console/autotest/src/com/rusefi/AutoTest.java
index 9425c37a75..111ad4445f 100644
--- a/java_console/autotest/src/com/rusefi/AutoTest.java
+++ b/java_console/autotest/src/com/rusefi/AutoTest.java
@@ -67,9 +67,9 @@ public class AutoTest {
 
         chart = nextChart();
         double x = 100;
-        assertWave(true, msg, chart, WaveChart.SPARK_1, 0.194433, 0.005, WaveReport.RATIO, x + 180, x + 540);
+        assertWave(true, msg, chart, WaveChart.SPARK_1, 0.194433, 0.01, WaveReport.RATIO, x + 180, x + 540);
         assertWaveNull(msg, chart, WaveChart.SPARK_2);
-        assertWave(true, msg, chart, WaveChart.SPARK_3, 0.194433, 0.005, WaveReport.RATIO, x, x + 360);
+        assertWave(true, msg, chart, WaveChart.SPARK_3, 0.194433, 0.01, WaveReport.RATIO, x, x + 360);
         assertWaveNull(msg, chart, WaveChart.SPARK_4);
 
         x = 176.856;
diff --git a/java_console/autotest/src/com/rusefi/ExecHelper.java b/java_console/autotest/src/com/rusefi/ExecHelper.java
index c2e6539b27..c09d24cabd 100644
--- a/java_console/autotest/src/com/rusefi/ExecHelper.java
+++ b/java_console/autotest/src/com/rusefi/ExecHelper.java
@@ -28,7 +28,9 @@ public class ExecHelper {
 
             BufferedReader input =
                     new BufferedReader(new InputStreamReader(ExecHelper.simulatorProcess.getInputStream()));
-            new Thread(createErrorStreamEcho()).start();
+            Thread thread = new Thread(createErrorStreamEcho());
+            thread.setDaemon(true);
+            thread.start();
 
             String line;
             while ((line = input.readLine()) != null) {
diff --git a/java_console/autotest/src/com/rusefi/TestingUtils.java b/java_console/autotest/src/com/rusefi/TestingUtils.java
index 44391202b4..c3ce0214f9 100644
--- a/java_console/autotest/src/com/rusefi/TestingUtils.java
+++ b/java_console/autotest/src/com/rusefi/TestingUtils.java
@@ -25,8 +25,12 @@ public class TestingUtils {
                 return;
         }
         if (expectations.length == 1)
-            fail(msg + ": Got " + current + " while expecting " + Arrays.toString(expectations) + " ratio=" + Math.abs(1 - expectations[0] / current));
-        fail(msg + ": Got " + current + " while expecting " + Arrays.toString(expectations));
+            fail(msg + ": Got " + current + " while expecting " + Arrays.toString(expectations) + " ratio=" + Math.abs(1 - expectations[0] / current) + printRange(current, ratio));
+        fail(msg + ": Got " + current + " while expecting " + Arrays.toString(expectations) + printRange(current, ratio));
+    }
+
+    private static String printRange(double current, double ratio) {
+        return " expected range from " + current * (1 - ratio) + " to " + current + (1 + ratio);
     }
 
     private static double fixAngle(double angle) {