Merge pull request #827 from kaiyaok2/master

Thanks!

Author: boulter

src/test/java/com/hubspot/jinjava/lib/filter/ListFilterTest.java

@@ -22,6 +22,7 @@
 import java.math.BigDecimal;
 import java.util.List;
 import java.util.Set;
+import java.util.TreeSet;
 import org.junit.Before;
 import org.junit.Test;
 
@@ -43,6 +44,7 @@ public void itConvertsStringToListOfChars() {
   @Test
   public void itConvertsSetsToLists() {
     Set<Integer> ints = Sets.newHashSet(1, 2, 3);
+    ints = new TreeSet<Integer>(ints); // Converting to TreeSet to avoid non-deterministic permutations.
     List<?> o = (List<?>) filter.filter(ints, null);
     assertThat(o).isEqualTo(Lists.newArrayList(1, 2, 3));
   }

src/test/java/com/hubspot/jinjava/lib/filter/ToJsonFilterTest.java

@@ -3,7 +3,7 @@
 import static org.assertj.core.api.Java6Assertions.assertThat;
 
 import com.hubspot.jinjava.BaseInterpretingTest;
-import java.util.HashMap;
+import java.util.LinkedHashMap;
 import java.util.Map;
 import org.junit.Before;
 import org.junit.Test;
@@ -21,7 +21,7 @@ public void itWritesObjectAsString() {
     int[] testArray = new int[] { 4, 1, 2 };
     assertThat(filter.filter(testArray, interpreter)).isEqualTo("[4,1,2]");
 
-    Map<String, Object> testMap = new HashMap<>();
+    Map<String, Object> testMap = new LinkedHashMap<>();
     testMap.put("testArray", testArray);
     testMap.put("testString", "testString");
     assertThat(filter.filter(testMap, interpreter))

src/test/java/com/hubspot/jinjava/lib/filter/ToYamlFilterTest.java

@@ -3,7 +3,7 @@
 import static org.assertj.core.api.Java6Assertions.assertThat;
 
 import com.hubspot.jinjava.BaseInterpretingTest;
-import java.util.HashMap;
+import java.util.LinkedHashMap;
 import java.util.Map;
 import org.junit.Before;
 import org.junit.Test;
@@ -22,7 +22,7 @@ public void itWritesObjectAsString() {
     assertThat(filter.filter(testArray, interpreter))
       .isEqualTo("- 4\n" + "- 1\n" + "- 2\n");
 
-    Map<String, Object> testMap = new HashMap<>();
+    Map<String, Object> testMap = new LinkedHashMap<>();
     testMap.put("testArray", testArray);
     testMap.put("testString", "testString");
     assertThat(filter.filter(testMap, interpreter))