internal/lsp/tests: remove ellipses from test names

This change makes working with tests easier by trimming the folder name
up to "testdata". This will remove any ellipses from the test folder name.

Fixes golang/go#38103

Change-Id: I33b931e527de63713b8fc370c50b1c382796b2b8
Reviewed-on: https://go-review.googlesource.com/c/tools/+/226377
Reviewed-by: Rebecca Stambler <rstambler@golang.org>
Run-TryBot: Rohan Challa <rohan@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>

internal/lsp/cmd/cmd_test.go

@@ -39,7 +39,7 @@ func testCommandLine(t *testing.T, exporter packagestest.Exporter) {
 	data := tests.Load(t, exporter, "../testdata")
 	for _, datum := range data {
 		defer datum.Exported.Cleanup()
-		t.Run(datum.Folder, func(t *testing.T) {
+		t.Run(tests.FormatFolderName(datum.Folder), func(t *testing.T) {
 			t.Helper()
 			tests.Run(t, cmdtest.NewRunner(exporter, datum, ctx, ts.Addr, nil), datum)
 		})

internal/lsp/lsp_test.go

@@ -89,7 +89,7 @@ func testLSP(t *testing.T, exporter packagestest.Exporter) {
 			data:   datum,
 			ctx:    ctx,
 		}
-		t.Run(datum.Folder, func(t *testing.T) {
+		t.Run(tests.FormatFolderName(datum.Folder), func(t *testing.T) {
 			t.Helper()
 			tests.Run(t, r, datum)
 		})

internal/lsp/source/source_test.go

@@ -77,7 +77,7 @@ func testSource(t *testing.T, exporter packagestest.Exporter) {
 		if _, err := session.DidModifyFiles(ctx, modifications); err != nil {
 			t.Fatal(err)
 		}
-		t.Run(datum.Folder, func(t *testing.T) {
+		t.Run(tests.FormatFolderName(datum.Folder), func(t *testing.T) {
 			t.Helper()
 			tests.Run(t, r, datum)
 		})

internal/lsp/tests/util.go

@@ -496,3 +496,10 @@ func summarizeCompletionItems(i int, want, got []protocol.CompletionItem, reason
 	}
 	return msg.String()
 }
+
+func FormatFolderName(folder string) string {
+	if index := strings.Index(folder, "testdata"); index != -1 {
+		return folder[index:]
+	}
+	return folder
+}