fix(gradle): Use right path to fixtures (#11067)

lib/manager/gradle/deep/__snapshots__/gradle-updates-report.spec.ts.snap

+// Jest Snapshot v1, https://goo.gl/fbAQLP
+
+exports[`manager/gradle/deep/gradle-updates-report createRenovateGradlePlugin generates a report for Gradle version 5 1`] = `
+Array [
+  Object {
+    "dependencies": Array [
+      Object {
+        "group": "org.apache.commons",
+        "name": "commons-collections4",
+        "version": "4.4",
+      },
+    ],
+    "project": "minimal-test",
+    "repositories": Array [
+      "https://jcenter.bintray.com/",
+      "https://plugins.gradle.org/m2",
+    ],
+  },
+]
+`;
+
+exports[`manager/gradle/deep/gradle-updates-report createRenovateGradlePlugin generates a report for Gradle version 6 1`] = `
+Array [
+  Object {
+    "dependencies": Array [
+      Object {
+        "group": "org.apache.commons",
+        "name": "commons-collections4",
+        "version": "4.4",
+      },
+    ],
+    "project": "minimal-test",
+    "repositories": Array [
+      "https://jcenter.bintray.com/",
+      "https://plugins.gradle.org/m2",
+    ],
+  },
+]
+`;

lib/manager/gradle/deep/gradle-updates-report.spec.ts

@@ -11,7 +11,7 @@ import {
 import { extraEnv } from './utils';
 import { GRADLE_DEPENDENCY_REPORT_OPTIONS } from '.';
 
-const fixtures = 'lib/manager/gradle/__fixtures__';
+const fixtures = 'lib/manager/gradle/deep/__fixtures__';
 
 describe(getName(), () => {
   for (const gradleVersion of [5, 6]) {

lib/manager/gradle/deep/index-real.spec.ts

@@ -7,7 +7,7 @@ import type { ExtractConfig } from '../../types';
 import { ifSystemSupportsGradle } from './__testutil__/gradle';
 import * as manager from '.';
 
-const fixtures = 'lib/manager/gradle/__fixtures__';
+const fixtures = 'lib/manager/gradle/deep/__fixtures__';
 
 const baseConfig = {
   gradle: {