Make test compile less verbose.

build.gradle

@@ -247,7 +247,6 @@ task compileSerializerDefaultNamesTest(type: RelastTest) {
 }
 
 task compileSerializerPointerTest(type: RelastTest) {
-    verbose = true
     resolverHelper = true
     relastFiles 'src/test/jastadd/serializer-pointer/Serializer.relast'
     grammarName = 'src/test/jastadd/serializer-pointer/Serializer'
@@ -257,7 +256,6 @@ task compileSerializerPointerTest(type: RelastTest) {
 }
 
 task compileSerializerManualTest(type: RelastTest) {
-    verbose = true
     resolverHelper = true
     relastFiles 'src/test/jastadd/serializer-manual/Serializer.relast'
     grammarName = 'src/test/jastadd/serializer-manual/Serializer'
@@ -267,7 +265,6 @@ task compileSerializerManualTest(type: RelastTest) {
 }
 
 task compileSerializerManualRelativeTest(type: RelastTest) {
-    verbose = true
     resolverHelper = true
     relastFiles 'src/test/jastadd/serializer-manual-relative/Serializer.relast'
     grammarName = 'src/test/jastadd/serializer-manual-relative/Serializer'