Add transitive pnpm import statement completions test (#45186)

Author: andrewbranch

tests/cases/fourslash/server/importStatementCompletions_pnpmTransitive.ts

@@ -0,0 +1,29 @@
+/// <reference path="../fourslash.ts" />
+
+// @Filename: /project/tsconfig.json
+//// { "compilerOptions": { "module": "commonjs" } }
+
+// @Filename: /project/node_modules/.pnpm/@[email protected]/node_modules/@types/react/index.d.ts
+//// import "csstype";
+//// export declare function Component(): void;
+
+// @Filename: /project/node_modules/.pnpm/[email protected]/node_modules/csstype/index.d.ts
+//// export interface SvgProperties {}
+
+// @Filename: /project/index.ts
+//// [|import SvgProp/**/|]
+
+// @link: /project/node_modules/.pnpm/@[email protected]/node_modules/@types/react -> /project/node_modules/@types/react
+// @link: /project/node_modules/.pnpm/[email protected]/node_modules/csstype -> /project/node_modules/.pnpm/@[email protected]/node_modules/csstype
+
+goTo.marker("");
+verify.completions({
+  isNewIdentifierLocation: true,
+  marker: "",
+  exact: [],
+  preferences: {
+    includeCompletionsForImportStatements: true,
+    includeCompletionsWithInsertText: true,
+    includeCompletionsWithSnippetText: true,
+  }
+});