fix up subject of libav test

src/demo/widecolor.c

@@ -573,7 +573,7 @@ int widecolor_demo(struct notcurses* nc){
     ncspecial_key special;
     cell c;
     do{ // (re)draw a screen
-      ncplane_erase(n);
+      //ncplane_erase(n);
       const int rollover = 256 / ((step & 0xff) | ((step & 0xff00) >> 8u)
                                      | ((step & 0xff0000) >> 16u));
       int rollcount = 0; // number of times we've added this step

tests/libav.cpp

@@ -49,7 +49,7 @@ TEST_F(LibavTest, LoadVideo) {
   int averr;
   int dimy, dimx;
   ncplane_dim_yx(ncp_, &dimy, &dimx);
-  auto ncv = ncplane_visual_open(ncp_, "../tests/atliens.mkv", &averr);
+  auto ncv = ncplane_visual_open(ncp_, "../tests/bob.mkv", &averr);
   EXPECT_EQ(0, averr);
   ASSERT_NE(nullptr, ncv);
   auto frame = ncvisual_decode(ncv, &averr);