test: add failing test in preparation for a fix

Author: anomiex

tests/e2e/__snapshots__/e2e.spec.ts.snap

@@ -32,6 +32,20 @@ exports[`e2e cases > should exec eslint successfully > dotProject 1`] = `
 }
 `;
 
+exports[`e2e cases > should exec eslint successfully > filesWithDifferentOptions 1`] = `
+{
+  "exitCode": 1,
+  "stderr": "",
+  "stdout": "
+<ROOT>/tests/e2e/filesWithDifferentOptions/src/a.foo.js
+  1:15  error  Unable to resolve path to module './x'  import-x/no-unresolved
+
+✖ 1 problem (1 error, 0 warnings)
+
+",
+}
+`;
+
 exports[`e2e cases > should exec eslint successfully > importXResolverV3 1`] = `
 {
   "exitCode": 0,

tests/e2e/filesWithDifferentOptions/eslint.config.js

@@ -0,0 +1,44 @@
+import { defineConfig, globalIgnores } from 'eslint/config'
+import { defaultExtensions } from 'eslint-import-resolver-typescript'
+import importX, { flatConfigs } from 'eslint-plugin-import-x'
+
+export default defineConfig(
+  globalIgnores(['eslint.config.js']),
+  {
+    files: ['**/*.foo.js', '**/*.bar.js'],
+    plugins: {
+      'import-x': importX,
+    },
+    settings: {
+      ...flatConfigs.typescript.settings,
+      'import-x/resolver': {
+        typescript: {},
+      },
+    },
+    rules: {
+      'import-x/no-unresolved': 'error',
+    },
+  },
+  // .foo.js files should prefer importing other .foo.js files.
+  {
+    files: ['**/*.foo.js'],
+    settings: {
+      'import-x/resolver': {
+        typescript: {
+          extensions: ['.foo.js', ...defaultExtensions],
+        },
+      },
+    },
+  },
+  // .bar.js files should prefer importing other .bar.js files.
+  {
+    files: ['**/*.bar.js'],
+    settings: {
+      'import-x/resolver': {
+        typescript: {
+          extensions: ['.bar.js', ...defaultExtensions],
+        },
+      },
+    },
+  },
+)

tests/e2e/filesWithDifferentOptions/src/a.bar.js

@@ -0,0 +1 @@
+import y from './y'

tests/e2e/filesWithDifferentOptions/src/a.foo.js

@@ -0,0 +1 @@
+import x from './x'

tests/e2e/filesWithDifferentOptions/src/x.foo.js

@@ -0,0 +1 @@
+export const x = 'x'

tests/e2e/filesWithDifferentOptions/src/y.bar.js

@@ -0,0 +1 @@
+export const y = 'y'

tests/e2e/filesWithDifferentOptions/tsconfig.json

@@ -0,0 +1 @@
+{}