[Gradle, JS] Improvements of kotlin test adapters

- divide adapter.js into different files, which frameworks could load separately
- possibility to inject something to kotlin-test adapter by user

^KT-54418 fixed

libraries/tools/kotlin-test-js-runner/karma.ts

@@ -13,10 +13,18 @@ const parser = new CliArgsParser(
         throw new Error(`Exit with ${exitCode}`)
     }
 );
+
 const untypedArgs = parser.parse(window.__karma__.config.args);
 
-const adapterTransformer: (current: KotlinTestRunner) => KotlinTestRunner = current =>
-    runWithFilteringAndConsoleAdapters(current, untypedArgs);
+let adapterTransformer: (current: KotlinTestRunner) => KotlinTestRunner
+if (window.kotlinTest) {
+    const currentAdapterTransformer = window.kotlinTest.adapterTransformer;
+    adapterTransformer = current =>
+        runWithFilteringAndConsoleAdapters(currentAdapterTransformer(current), untypedArgs);
+} else {
+    adapterTransformer = current =>
+        runWithFilteringAndConsoleAdapters(current, untypedArgs);
+}
 
 window.kotlinTest = {
     adapterTransformer: adapterTransformer

libraries/tools/kotlin-test-js-runner/src/KotlinTestTeamCityConsoleAdapter.ts

@@ -36,8 +36,6 @@ export function runWithTeamCityConsoleAdapter(
             runner.suite(name, isIgnored, fn)
         },
         test: function (name: string, isIgnored: boolean, fn: () => void) {
-            let revertLogMethods: CallableFunction[] = [];
-
             runner.test(name, isIgnored, () => {
                 const log = (type: LogType) => function (message?: any, ...optionalParams: any[]) {
                     let messageType: 'testStdOut' | 'testStdErr'
@@ -62,7 +60,7 @@ export function runWithTeamCityConsoleAdapter(
                     [method: string]: (message?: any, ...optionalParams: any[]) => void
                 };
 
-                revertLogMethods = logTypes
+                const revertLogMethods = logTypes
                     .map(method => {
                         const realMethod = globalConsole[method];
                         globalConsole[method] = log(method);