revert test change, to be done in a seperate PR

parse_test.go

@@ -100,17 +100,18 @@ func TestParseFile_SkipPixelData(t *testing.T) {
 		runForEveryTestFile(t, func(t *testing.T, filename string) {
 			dataset, err := dicom.ParseFile(filename, nil, dicom.SkipPixelData())
 			if err != nil {
-				t.Errorf("Unexpected error parsing dataset: %v, %v", err, dataset)
+				t.Errorf("Unexpected error parsing dataset: %v", dataset)
 			}
 			el, err := dataset.FindElementByTag(tag.PixelData)
-			if err == nil {
-				pixelData := dicom.MustGetPixelDataInfo(el.Value)
-				if !pixelData.IntentionallySkipped {
-					t.Errorf("Expected pixelData.IntentionallySkipped=true, got false")
-				}
-				if got := len(pixelData.Frames); got != 0 {
-					t.Errorf("unexpected frames length. got: %v, want: %v", got, 0)
-				}
+			if err != nil {
+				t.Errorf("Unexpected error when finding PixelData in Dataset: %v", err)
+			}
+			pixelData := dicom.MustGetPixelDataInfo(el.Value)
+			if !pixelData.IntentionallySkipped {
+				t.Errorf("Expected pixelData.IntentionallySkipped=true, got false")
+			}
+			if got := len(pixelData.Frames); got != 0 {
+				t.Errorf("unexpected frames length. got: %v, want: %v", got, 0)
 			}
 		})
 	})