change shading val -> type

src/file/table/table-cell/table-cell.spec.ts

@@ -435,7 +435,7 @@ describe("TableCell", () => {
                 shading: {
                     fill: "FF0000",
                     color: "0000ff",
-                    val: ShadingType.PERCENT_10,
+                    type: ShadingType.PERCENT_10,
                 },
             });
 

src/file/table/table-properties/table-properties.spec.ts

@@ -129,7 +129,7 @@ describe("TableProperties", () => {
             const tp = new TableProperties({
                 shading: {
                     fill: "b79c2f",
-                    val: ShadingType.REVERSE_DIAGONAL_STRIPE,
+                    type: ShadingType.REVERSE_DIAGONAL_STRIPE,
                     color: "auto",
                 },
             });