diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 5d1648b..844ee76 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -1,7 +1,7 @@
 name: Test and coverage
 on:
   push:
-    branches: [main]
+    branches: [*]
   pull_request:
     branches: [main]
 jobs:
@@ -17,14 +17,5 @@ jobs:
         uses: actions/setup-go@v2
         with:
           go-version: '1.19.0'
-      - name: Check gofmt on libs
-        run: |
-          unformatted_files=$(gofmt -l libs)
-          if [[ -n "$unformatted_files" ]]; then
-            echo "The following files are not properly formatted:"
-            echo "$unformatted_files"
-            echo "Run 'gofmt -w libs' to fix formatting."
-            exit 1
-          fi
       - name: Run coverage
         run: go test ./... -race -coverpkg=./libs/... -coverprofile=coverage.out -covermode=atomic
diff --git a/lump/primitive/common/common.go b/lump/primitive/common/common.go
index 9bab76f..ba9470c 100644
--- a/lump/primitive/common/common.go
+++ b/lump/primitive/common/common.go
@@ -107,7 +107,4 @@ type MapDispInfo struct {
 }
 
 // CompressedLightCube
-type CompressedLightCube struct {
-	// Color
-	Color [6]ColorRGBExponent32 `json:"color"`
-}
+type CompressedLightCube = [6]ColorRGBExponent32
diff --git a/lump/primitive/leafambientlighting/leafambientlighting.go b/lump/primitive/leafambientlighting/leafambientlighting.go
index 9a05a1d..ba710d9 100644
--- a/lump/primitive/leafambientlighting/leafambientlighting.go
+++ b/lump/primitive/leafambientlighting/leafambientlighting.go
@@ -15,5 +15,5 @@ type LeafAmbientLighting struct {
 	// Z z
 	Z byte `json:"z"`
 	// Pad is padding to 4 bytes (any other purpose unknown).
-	Unknown1 byte
+	Pad byte
 }
diff --git a/writer_test.go b/writer_test.go
index 1380325..a8ba72f 100644
--- a/writer_test.go
+++ b/writer_test.go
@@ -88,8 +88,8 @@ func TestWriter_Write(t *testing.T) {
 
 					expectedLumpOffset := int(binary.LittleEndian.Uint32(expectedBytes[offset : offset+4]))
 					expectedLumpLength := int(binary.LittleEndian.Uint32(expectedBytes[offset+4 : offset+8]))
-					actualLumpOffset := int(binary.LittleEndian.Uint32(expectedBytes[offset : offset+4]))
-					actualLumpLength := int(binary.LittleEndian.Uint32(expectedBytes[offset+4 : offset+8]))
+					actualLumpOffset := int(binary.LittleEndian.Uint32(actual[offset : offset+4]))
+					actualLumpLength := int(binary.LittleEndian.Uint32(actual[offset+4 : offset+8]))
 
 					log.Printf("%d: offset: %d, %d (%d). length: %d, %d (%d). Version: %d, %d\n", i,
 						expectedLumpOffset,
@@ -126,9 +126,9 @@ func TestWriter_Write(t *testing.T) {
 					t.Errorf("toBytes(%s) returned unexpected bytes", tc.filePath)
 				}
 
-				//if diff := cmp.Diff(expectedBytes, actual); diff != "" {
-				//	t.Errorf("toBytes(%s) returned unexpected diff (-want +got):\n%s", tc.filePath, diff)
-				//}
+				if diff := cmp.Diff(expectedBytes, actual); diff != "" {
+					t.Errorf("toBytes(%s) returned unexpected diff (-want +got):\n%s", tc.filePath, diff)
+				}
 			}
 		})
 	}