diff --git a/pom.xml b/pom.xml
index c778a9f6d..8a047525c 100644
--- a/pom.xml
+++ b/pom.xml
@@ -5,7 +5,7 @@
     <groupId>org.thingsboard</groupId>
     <artifactId>tbel</artifactId>
     <packaging>jar</packaging>
-    <version>1.2.6</version>
+    <version>1.2.7</version>
 
     <name>tbel</name>
     <url>https://thingsboard.io/</url>
diff --git a/src/main/java/org/mvel2/execution/ExecutionArrayList.java b/src/main/java/org/mvel2/execution/ExecutionArrayList.java
index 4a206007b..850ed0508 100644
--- a/src/main/java/org/mvel2/execution/ExecutionArrayList.java
+++ b/src/main/java/org/mvel2/execution/ExecutionArrayList.java
@@ -299,4 +299,8 @@ public boolean validateClazzInArrayIsOnlyNumber(Object e) {
             return false;
         }
     }
+
+    public boolean validateClazzInArrayIsOnlyString() {
+        return !super.stream().anyMatch(e -> !(e instanceof String));
+    }
 }
diff --git a/src/test/java/org/mvel2/tests/core/TbExpressionsTest.java b/src/test/java/org/mvel2/tests/core/TbExpressionsTest.java
index 8534faf67..4d456cae2 100644
--- a/src/test/java/org/mvel2/tests/core/TbExpressionsTest.java
+++ b/src/test/java/org/mvel2/tests/core/TbExpressionsTest.java
@@ -2413,54 +2413,6 @@ public void testExpectType_InputKnownEgressTypeAsInterface() {
         assertEquals(expected, actual);
     }
 
-    public void testExecutionHashMap_Public_Key_Value() {
-        String body = "var msg1 = {\n" +
-                "    \"temperature\": 22.4,\n" +
-                "    \"humidity\": 78\n" +
-                "};\n" +
-                "\n" +
-                "var map = {\n" +
-                "    \"test\": 42,\n" +
-                "    \"nested\": {\n" +
-                "        \"rssi\": 130\n" +
-                "    }\n" +
-                "};\n" +
-                "foreach(element: map) {\n" +
-                "    msg1[element.key] = element.value;\n" +
-                "}\n" +
-                "return {\n" +
-                "    msg1\n" +
-                "};";
-        Object result = executeScript(body);
-
-        String expected = "[{temperature=22.4, humidity=78, test=42, nested={rssi=130}}]";
-        assertEquals(expected, result.toString());
-    }
-
-    public void testExecutionHashMap_getKey_getValue() {
-        String body = "var msg1 = {\n" +
-                "    \"temperature\": 22.4,\n" +
-                "    \"humidity\": 78\n" +
-                "};\n" +
-                "\n" +
-                "var map = {\n" +
-                "    \"test\": 42,\n" +
-                "    \"nested\": {\n" +
-                "        \"rssi\": 130\n" +
-                "    }\n" +
-                "};\n" +
-                "foreach(element: map) {\n" +
-                "    msg1[element.getKey()] = element.getValue();\n" +
-                "}\n" +
-                "return {\n" +
-                "    msg1\n" +
-                "};";
-        Object result = executeScript(body);
-
-        String expected = "[{temperature=22.4, humidity=78, test=42, nested={rssi=130}}]";
-        assertEquals(expected, result.toString());
-    }
-
     public void testBooleanBitwiseOperations() {
         String body = " var x = true;\n" +
                 "var y = false;\n" +
diff --git a/src/test/java/org/mvel2/tests/core/TbMapArrayListExpressionsTest.java b/src/test/java/org/mvel2/tests/core/TbMapArrayListExpressionsTest.java
index 481689838..187540de8 100644
--- a/src/test/java/org/mvel2/tests/core/TbMapArrayListExpressionsTest.java
+++ b/src/test/java/org/mvel2/tests/core/TbMapArrayListExpressionsTest.java
@@ -1040,6 +1040,54 @@ public void testExecutionHashMap_ToReversed() {
         assertTrue(eq);
     }
 
+    public void testExecutionHashMap_Public_Key_Value() {
+        String body = "var msg1 = {\n" +
+                "    \"temperature\": 22.4,\n" +
+                "    \"humidity\": 78\n" +
+                "};\n" +
+                "\n" +
+                "var map = {\n" +
+                "    \"test\": 42,\n" +
+                "    \"nested\": {\n" +
+                "        \"rssi\": 130\n" +
+                "    }\n" +
+                "};\n" +
+                "foreach(element: map) {\n" +
+                "    msg1[element.key] = element.value;\n" +
+                "}\n" +
+                "return {\n" +
+                "    msg1\n" +
+                "};";
+        Object result = executeScript(body);
+
+        String expected = "[{temperature=22.4, humidity=78, test=42, nested={rssi=130}}]";
+        assertEquals(expected, result.toString());
+    }
+
+    public void testExecutionHashMap_getKey_getValue() {
+        String body = "var msg1 = {\n" +
+                "    \"temperature\": 22.4,\n" +
+                "    \"humidity\": 78\n" +
+                "};\n" +
+                "\n" +
+                "var map = {\n" +
+                "    \"test\": 42,\n" +
+                "    \"nested\": {\n" +
+                "        \"rssi\": 130\n" +
+                "    }\n" +
+                "};\n" +
+                "foreach(element: map) {\n" +
+                "    msg1[element.getKey()] = element.getValue();\n" +
+                "}\n" +
+                "return {\n" +
+                "    msg1\n" +
+                "};";
+        Object result = executeScript(body);
+
+        String expected = "[{temperature=22.4, humidity=78, test=42, nested={rssi=130}}]";
+        assertEquals(expected, result.toString());
+    }
+
     // array
 
     public void testCreateSingleValueArray() {
diff --git a/src/test/java/org/mvel2/tests/core/TbUtilsExpressionsTest.java b/src/test/java/org/mvel2/tests/core/TbUtilsExpressionsTest.java
index 51b9f1c24..9be8e14a0 100644
--- a/src/test/java/org/mvel2/tests/core/TbUtilsExpressionsTest.java
+++ b/src/test/java/org/mvel2/tests/core/TbUtilsExpressionsTest.java
@@ -93,7 +93,7 @@ public void testStringToBytes_ArgumentTypeIsNotStringLineNotZero_Bad() throws Ex
         }
     }
 
-    public void testSHexToBytes_InFunction_Ok() throws Exception {
+    public void testHexToBytes_InFunction_Ok() throws Exception {
         String scriptBody = "var data = frm();\n" +
                 "function frm(){\n" +
                 "    var out = {};\n" +