Add Class.forName("org.h2.Driver") in H2QueryRunner

Author: imjalpreet

presto-tests/src/main/java/com/facebook/presto/tests/H2QueryRunner.java

@@ -105,8 +105,10 @@ public class H2QueryRunner
 {
     private final Handle handle;
 
-    public H2QueryRunner()
+    public H2QueryRunner() throws Exception
     {
+        Class.forName("org.h2.Driver");
+
         handle = Jdbi.open("jdbc:h2:mem:test" + System.nanoTime() + "_" + ThreadLocalRandom.current().nextInt());
         TpchMetadata tpchMetadata = new TpchMetadata("");
 

presto-tests/src/test/java/com/facebook/presto/tests/TestH2QueryRunner.java

@@ -33,7 +33,7 @@ public class TestH2QueryRunner
     private H2QueryRunner h2QueryRunner;
 
     @BeforeClass
-    public void init()
+    public void init() throws Exception
     {
         h2QueryRunner = new H2QueryRunner();
     }