Refactoring: Introduce common method to stub a config

This means that we don't need to update irrelevant test cases when we
add a new configuration property.

lib/codeql.test.js

@@ -49,25 +49,9 @@ const util_1 = require("./util");
 let stubConfig;
 ava_1.default.beforeEach(() => {
     (0, util_1.initializeEnvironment)("1.2.3");
-    stubConfig = {
+    stubConfig = (0, testing_utils_1.createTestConfig)({
         languages: [languages_1.Language.cpp],
-        originalUserInput: {},
-        tempDir: "",
-        codeQLCmd: "",
-        gitHubVersion: {
-            type: util.GitHubVariant.DOTCOM,
-        },
-        dbLocation: "",
-        debugMode: false,
-        debugArtifactName: util.DEFAULT_DEBUG_ARTIFACT_NAME,
-        debugDatabaseName: util.DEFAULT_DEBUG_DATABASE_NAME,
-        augmentationProperties: {
-            packsInputCombines: false,
-            queriesInputCombines: false,
-        },
-        trapCaches: {},
-        trapCacheDownloadTime: 0,
-    };
+    });
 });
 async function installIntoToolcache({ apiDetails = testing_utils_1.SAMPLE_DOTCOM_API_DETAILS, cliVersion, isPinned, tagName, tmpDir, }) {
     const url = (0, testing_utils_1.mockBundleDownloadApi)({ apiDetails, isPinned, tagName });