Bump scalatest_2.12 from 3.2.14 to 3.2.16

pom.xml

@@ -197,7 +197,7 @@
         <mockito-core.version>2.23.4</mockito-core.version>
         <objenesis.version>3.2</objenesis.version>
         <powermock-core.version>2.0.9</powermock-core.version>
-        <scalatest_2.12.version>3.2.14</scalatest_2.12.version>
+        <scalatest_2.12.version>3.2.16</scalatest_2.12.version>
         <io.airlift.units.version>1.6</io.airlift.units.version>
         <io.airlift.slice.version>0.41</io.airlift.slice.version>
         <dep.airlift.version>200</dep.airlift.version>