Add tests for ginkgo test files

Author: Sauyon Lee

ql/test/query-tests/filters/ClassifyFiles/ClassifyFiles.expected

@@ -1,3 +1,4 @@
+| ginkgo.go:0:0:0:0 | ginkgo.go | test |
 | hello2.go:0:0:0:0 | hello2.go | generated |
 | hello.go:0:0:0:0 | hello.go | generated |
 | httptest.go:0:0:0:0 | httptest.go | test |

ql/test/query-tests/filters/ClassifyFiles/TestCase.expected

@@ -1,3 +1,4 @@
+| ginkgo.go:13:1:16:1 | function declaration |
 | test1.go:5:1:5:26 | function declaration |
 | test1.go:7:1:7:27 | function declaration |
 | test1.go:15:1:15:31 | function declaration |

ql/test/query-tests/filters/ClassifyFiles/ginkgo.go

@@ -0,0 +1,16 @@
+package main
+
+//go:generate depstubber -vendor github.com/onsi/ginkgo "" Fail,RunSpecs
+//go:generate depstubber -vendor github.com/onsi/gomega "" RegisterFailHandler
+
+import (
+	"testing"
+
+	. "github.com/onsi/ginkgo"
+	. "github.com/onsi/gomega"
+)
+
+func TestClassifyFiles(t *testing.T) {
+	RegisterFailHandler(Fail)
+	RunSpecs(t, "ClassifyFiles Suite")
+}

ql/test/query-tests/filters/ClassifyFiles/go.mod

@@ -0,0 +1,12 @@
+module filters.ClassifyFiles
+
+go 1.14
+
+require (
+	github.com/github/depstubber v0.0.0-20200414033246-a63ca77a1581 // indirect
+	github.com/onsi/ginkgo v1.12.0
+	github.com/onsi/gomega v1.9.0
+	golang.org/x/net v0.0.0-20200226121028-0de0cce0169b // indirect
+	golang.org/x/sync v0.0.0-20190911185100-cd5d95a43a6e // indirect
+	golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543 // indirect
+)

ql/test/query-tests/filters/ClassifyFiles/vendor/github.com/onsi/ginkgo/stub.go

@@ -0,0 +1,18 @@
+# github.com/github/depstubber v0.0.0-20200414033246-a63ca77a1581
+## explicit
+github.com/github/depstubber
+# github.com/onsi/ginkgo v1.12.0
+## explicit
+github.com/onsi/ginkgo
+# github.com/onsi/gomega v1.9.0
+## explicit
+github.com/onsi/gomega
+# golang.org/x/net v0.0.0-20200226121028-0de0cce0169b
+## explicit
+golang.org/x/net
+# golang.org/x/sync v0.0.0-20190911185100-cd5d95a43a6e
+## explicit
+golang.org/x/sync
+# golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543
+## explicit
+golang.org/x/xerrors