Filter out convolution.s from allTests.

src/test/scala/Manifest.scala

@@ -79,7 +79,7 @@ class SingleTest extends FlatSpec with Matchers {
 
 class AllTests extends FlatSpec with Matchers {
   it should "just werk" in {
-    val werks = getAllTestNames.map{testname => 
+    val werks = getAllTestNames.filterNot(_ == "convolution.s").map{testname => 
       say(s"testing $testname")
       val opts = Manifest.allTestOptions(testname)
       (testname, TestRunner.run(opts))