Fix expect.resolves assert (#5176)

Co-authored-by: Georgii Dolzhykov <thorn.mailbox@gmail.com>

tests_integration/__tests__/file-info.js

@@ -302,7 +302,7 @@ describe("API getFileInfo resolveConfig when no config is present", () => {
   });
 });
 
-test("API getFileInfo with ignorePath", () => {
+test("API getFileInfo with ignorePath", async () => {
   const file = path.resolve(
     path.join(__dirname, "../cli/ignore-path/regular-module.js")
   );
@@ -310,15 +310,37 @@ test("API getFileInfo with ignorePath", () => {
     path.join(__dirname, "../cli/ignore-path/.prettierignore")
   );
 
-  expect(prettier.getFileInfo(file)).resolves.toMatchObject({
+  await expect(prettier.getFileInfo(file)).resolves.toMatchObject({
     ignored: false,
     inferredParser: "babel",
   });
 
-  expect(
-    prettier.getFileInfo(file, {
-      ignorePath,
-    })
+  await expect(
+    prettier.getFileInfo(file, { ignorePath })
+  ).resolves.toMatchObject({
+    ignored: true,
+    inferredParser: null,
+  });
+});
+
+test("API getFileInfo with ignorePath containing relative paths", async () => {
+  const file = path.resolve(
+    path.join(
+      __dirname,
+      "../cli/ignore-relative-path/level1-glob/level2-glob/level3-glob/shouldNotBeFormat.js"
+    )
+  );
+  const ignorePath = path.resolve(
+    path.join(__dirname, "../cli/ignore-relative-path/.prettierignore")
+  );
+
+  await expect(prettier.getFileInfo(file)).resolves.toMatchObject({
+    ignored: false,
+    inferredParser: "babel",
+  });
+
+  await expect(
+    prettier.getFileInfo(file, { ignorePath })
   ).resolves.toMatchObject({
     ignored: true,
     inferredParser: null,