Enhance Groovy classloader experience

engine/table/build.gradle

@@ -68,6 +68,7 @@ dependencies {
     testImplementation project(':extensions-parquet-table')
     testImplementation project(':extensions-source-support')
     testImplementation project(':Numerics')
+    testImplementation project(':extensions-suanshu')
 
     Classpaths.inheritJUnitClassic(project, 'testImplementation')
 

engine/table/src/test/java/io/deephaven/engine/table/impl/select/FilterKernelArraySample.java

@@ -64,6 +64,7 @@
 import static io.deephaven.function.Random.*;
 import static io.deephaven.function.Sort.*;
 import static io.deephaven.gui.color.Color.*;
+
 import static io.deephaven.time.DateTimeUtils.*;
 import static io.deephaven.time.calendar.StaticCalendarMethods.*;
 import static io.deephaven.util.QueryConstants.*;

engine/table/src/test/java/io/deephaven/engine/table/impl/select/FilterKernelSample.java

@@ -64,6 +64,7 @@
 import static io.deephaven.function.Random.*;
 import static io.deephaven.function.Sort.*;
 import static io.deephaven.gui.color.Color.*;
+
 import static io.deephaven.time.DateTimeUtils.*;
 import static io.deephaven.time.calendar.StaticCalendarMethods.*;
 import static io.deephaven.util.QueryConstants.*;

engine/table/src/test/java/io/deephaven/engine/table/impl/select/TestConditionFilterGeneration.java

@@ -10,6 +10,7 @@
 import io.deephaven.engine.testutil.junit4.EngineCleanup;
 import io.deephaven.util.SafeCloseable;
 import org.jetbrains.annotations.NotNull;
+import org.junit.After;
 import org.junit.Before;
 import org.junit.Rule;
 import org.junit.Test;
@@ -31,7 +32,11 @@ public void setUp() {
                 .captureQueryScope()
                 .captureUpdateGraph()
                 .build().open();
+    }
 
+    @After
+    public void tearDown() {
+        executionContext.close();
     }
 
     // @Test

engine/table/src/test/resources/io/deephaven/engine/util/scripts/Imported.groovy

@@ -0,0 +1,7 @@
+package io.deephaven.engine.util.scripts
+
+println "Hello from script."
+println "Hello 1 from script."
+println "Hello 2 from script."
+println "Hello 3 from script."
+throw new RuntimeException("Busted")

engine/table/src/test/resources/io/deephaven/engine/util/scripts/ShortSource.groovy

@@ -0,0 +1,3 @@
+package io.deephaven.engine.util.scripts
+
+throw new RuntimeException("Busted Short")