test: add test for build pacakge info

core/context/refactor/rename/support/package_info_helper_test.go

+package support
+
+import (
+	"reflect"
+	"testing"
+)
+
+func TestBuildMethodPackageInfo(t *testing.T) {
+	tests := []struct {
+		name string
+		want *PackageClassInfo
+	}{
+		{
+			"com.phodal.Coca.hello",
+			&PackageClassInfo{"com.phodal", "Coca", "hello"},
+		},
+	}
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			if got := BuildMethodPackageInfo(tt.name); !reflect.DeepEqual(got, tt.want) {
+				t.Errorf("BuildMethodPackageInfo() = %v, want %v", got, tt.want)
+			}
+		})
+	}
+}
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