Fix for Array index out of bounds

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Author: mykaul

core/src/test/java/com/datastax/dse/driver/internal/core/graph/GraphTestUtils.java

@@ -171,6 +171,10 @@ public static GraphBinaryModule createGraphBinaryModule(DefaultDriverContext con
 
   public static void assertThatContainsProperties(
       Map<Object, Object> properties, Object... propsToMatch) {
+    if ((propsToMatch.length % 2) != 0) {
+      throw new IllegalArgumentException(
+          "propsToMatch must contain an even number of elements (key/value pairs)");
+    }
     for (int i = 0; i < propsToMatch.length; i += 2) {
       assertThat(properties).containsEntry(propsToMatch[i], propsToMatch[i + 1]);
     }