Cleaned up test output.

Change-Id: I4bec0e728cc162aa3f19091a0d154124ffbccdff

tests/test.cpp

@@ -1071,9 +1071,11 @@ void FuzzTest2() {
     TEST_NOTNULL(NULL);
   }
 
+  #ifdef FLATBUFFERS_TEST_VERBOSE
     TEST_OUTPUT_LINE("%dk schema tested with %dk of json\n",
                      static_cast<int>(schema.length() / 1024),
                      static_cast<int>(json.length() / 1024));
+  #endif
 }
 
 // Test that parser errors are actually generated.
@@ -1640,9 +1642,11 @@ void FlexBuffersTest() {
     slb.Finish();
   #endif  // FLATBUFFERS_CPP98_STL
 
+  #ifdef FLATBUFFERS_TEST_VERBOSE
     for (size_t i = 0; i < slb.GetBuffer().size(); i++)
       printf("%d ", flatbuffers::vector_data(slb.GetBuffer())[i]);
     printf("\n");
+  #endif
 
   auto map = flexbuffers::GetRoot(slb.GetBuffer()).AsMap();
   TEST_EQ(map.size(), 7);