Fix converting string GLOB to regexp in TestConfigurationBuilder

This is required when `p1|p2|p3|...|pN` concatenation is used (see `or`
extension function above `toMatchingRegexString`)

This is a follow-up to the 6f4b6c1b5b7bc05557306179e25a79fa234aa77f
commit

compiler/tests-common-new/tests/org/jetbrains/kotlin/test/builders/TestConfigurationBuilder.kt

@@ -72,7 +72,7 @@ class TestConfigurationBuilder {
 
     private fun String.toMatchingRegexString(): String = when (this) {
         "*" -> ".*"
-        else -> """^.*/${replace("*", ".*")}$"""
+        else -> """^.*/(${replace("*", ".*")})$"""
     }
 
     fun forTestsMatching(pattern: Regex, configuration: TestConfigurationBuilder.() -> Unit) {