chore(testing): Move .snapshots to testdata (#785)

Committing dotfiles give me the creeps.

Author: disq

.github/workflows/lint_markdown.yml

@@ -15,7 +15,7 @@ jobs:
       - name: Vale
         uses: errata-ai/vale-action@v2
         with:
-          vale_flags: "--glob=!{plugins/source/.snapshots/*,CHANGELOG.md,.github/styles/proselint/README.md}"
+          vale_flags: "--glob=!{plugins/source/testdata/*,CHANGELOG.md,.github/styles/proselint/README.md}"
           filter_mode: nofilter
         env:
           GITHUB_TOKEN: ${{secrets.GITHUB_TOKEN}}
@@ -29,4 +29,4 @@ jobs:
         with:
           files: .
           config_file: .markdownlint.yaml
-          ignore_files: "CHANGELOG.md"
+          ignore_files: '{plugins/source/testdata/*,CHANGELOG.md}'

plugins/source/docs_test.go

@@ -103,6 +103,8 @@ var testTables = []*schema.Table{
 func TestGeneratePluginDocs(t *testing.T) {
 	p := NewPlugin("test", "v1.0.0", testTables, newTestExecutionClient)
 
+	cup := cupaloy.New(cupaloy.SnapshotSubdirectory("testdata"))
+
 	t.Run("Markdown", func(t *testing.T) {
 		tmpdir := t.TempDir()
 
@@ -117,7 +119,7 @@ func TestGeneratePluginDocs(t *testing.T) {
 				output := path.Join(tmpdir, exp)
 				got, err := os.ReadFile(output)
 				require.NoError(t, err)
-				cupaloy.SnapshotT(t, got)
+				cup.SnapshotT(t, got)
 			})
 		}
 	})
@@ -136,7 +138,7 @@ func TestGeneratePluginDocs(t *testing.T) {
 				output := path.Join(tmpdir, exp)
 				got, err := os.ReadFile(output)
 				require.NoError(t, err)
-				cupaloy.SnapshotT(t, got)
+				cup.SnapshotT(t, got)
 			})
 		}
 	})