Convert app/export_test.go t.Fatal calls into assert/require calls (#12184)

app/export_test.go

@@ -115,9 +115,8 @@ func TestDirCreationForEmoji(t *testing.T) {
 
 	pathToDir := th.App.createDirForEmoji("test.json", "exported_emoji_test")
 	defer os.Remove(pathToDir)
-	if _, err := os.Stat(pathToDir); os.IsNotExist(err) {
-		t.Fatal("Directory exported_emoji_test should exist")
-	}
+	_, err := os.Stat(pathToDir)
+	require.False(t, os.IsNotExist(err), "Directory exported_emoji_test should exist")
 }
 
 func TestCopyEmojiImages(t *testing.T) {
@@ -147,13 +146,10 @@ func TestCopyEmojiImages(t *testing.T) {
 	defer os.RemoveAll(filePath)
 
 	copyError := th.App.copyEmojiImages(emoji.Id, emojiImagePath, pathToDir)
-	if copyError != nil {
-		t.Fatal(copyError)
-	}
+	require.Nil(t, copyError)
 
-	if _, err := os.Stat(pathToDir + "/" + emoji.Id + "/image"); os.IsNotExist(err) {
-		t.Fatal("File should exist ", err)
-	}
+	_, err = os.Stat(pathToDir + "/" + emoji.Id + "/image")
+	require.False(t, os.IsNotExist(err), "File should exist ")
 }
 
 func TestExportCustomEmoji(t *testing.T) {
@@ -170,9 +166,8 @@ func TestExportCustomEmoji(t *testing.T) {
 	dirNameToExportEmoji := "exported_emoji_test"
 	defer os.RemoveAll("../" + dirNameToExportEmoji)
 
-	if err := th.App.ExportCustomEmoji(fileWriter, filePath, pathToEmojiDir, dirNameToExportEmoji); err != nil {
-		t.Fatal(err)
-	}
+	err = th.App.ExportCustomEmoji(fileWriter, filePath, pathToEmojiDir, dirNameToExportEmoji)
+	require.Nil(t, err, "should not have failed")
 }
 
 func TestExportAllUsers(t *testing.T) {