[Java.Interop-Tests] Remove CS0219 warning.

Author: jonpryor

src/Java.Interop/Tests/Java.Interop/JavaVMTest.cs

@@ -19,7 +19,9 @@ public void CreateJavaVM ()
 		[Test]
 		public void JDK_OnlySupportsOneVM ()
 		{
+			#pragma warning disable 0219
 			var first = JVM.Current;
+			#pragma warning restore 0219
 			try {
 				var second = new JavaVMBuilder ().CreateJavaVM ();
 				// If we reach here, we're in a JVM that supports > 1 VM