Add js/js.tests/build as exclusions for CodeConformanceTest

If the "jsCompilerTest"s are run before this, then we get spurious
failures due to e.g. js/js.tests/build/node_modules/mocha/mocha.js

compiler/tests/org/jetbrains/kotlin/code/CodeConformanceTest.kt

@@ -38,6 +38,7 @@ class CodeConformanceTest : TestCase() {
                 "dist",
                 "idea/testData/codeInsight/renderingKDoc",
                 "js/js.tests/.gradle",
+                "js/js.tests/build",
                 "js/js.translator/qunit/qunit.js",
                 "js/js.translator/testData/node_modules",
                 "local",
@@ -86,6 +87,7 @@ class CodeConformanceTest : TestCase() {
                 "dist",
                 "idea/idea-jvm/src/org/jetbrains/kotlin/idea/copyright",
                 "js/js.tests/.gradle",
+                "js/js.tests/build",
                 "js/js.translator/testData/node_modules",
                 "libraries/kotlin.test/js/it/.gradle",
                 "libraries/kotlin.test/js/it/node_modules",