add tests

Author: peakle

test/testdata/configs/gocritic-gofumpt-fix.yml

@@ -0,0 +1,6 @@
+linters-settings:
+  gofumpt:
+    extra-rules: true
+  gocritic:
+    enabled-checks:
+      - commentedOutCode

test/testdata/fix/in/gocritic_gofumpt.go

@@ -0,0 +1,11 @@
+//golangcitest:args -Egocritic,gofumpt
+//golangcitest:config_path testdata/configs/gocritic-gofumpt-fix.yml
+//golangcitest:expected_exitcode 0
+package p
+
+import "fmt"
+
+func main() {
+	//standard greeting
+	fmt.Println("hello world")
+}

test/testdata/fix/out/gocritic_gofumpt.go

@@ -0,0 +1,11 @@
+//golangcitest:args -Egocritic,gofumpt
+//golangcitest:config_path testdata/configs/gocritic-gofumpt-fix.yml
+//golangcitest:expected_exitcode 0
+package p
+
+import "fmt"
+
+func main() {
+	// standard greeting
+	fmt.Println("hello world")
+}