Add failing test

Author: jakebailey

tests/cases/compiler/issue52182.ts

@@ -0,0 +1,20 @@
+// @filename: tsconfig.json
+{
+    "compilerOptions": {
+        "paths": {
+            "@angular/*": ["./@angular/*"]
+        }
+    }
+}
+
+// @filename: @angular/core/package.json
+{
+    "name": "@angular/core",
+    "typings": "index.d.ts"
+}
+
+// @filename: @angular/core/index.ts
+export {};
+
+// @filename: @angular/core/testing/test.ts
+import "@angular/core";