Use kts file extension instead of kt in tests...

since all "kt" files are now considered - definitely non-scripts

compiler/tests/org/jetbrains/kotlin/codegen/ScriptGenTest.kt

@@ -50,7 +50,7 @@ class ScriptGenTest : CodegenTestCase() {
     }
 
     fun testLanguage() {
-        setUpEnvironment("scriptCustom/fib.lang.kt")
+        setUpEnvironment("scriptCustom/fib.lang.kts")
 
         val aClass = generateClass("Fib_lang")
         val constructor = aClass.getConstructor(Integer.TYPE)
@@ -61,7 +61,7 @@ class ScriptGenTest : CodegenTestCase() {
     }
 
     fun testLanguageWithPackage() {
-        setUpEnvironment("scriptCustom/fibwp.lang.kt")
+        setUpEnvironment("scriptCustom/fibwp.lang.kts")
 
         val aClass = generateClass("test.Fibwp_lang")
         val constructor = aClass.getConstructor(Integer.TYPE)
@@ -72,7 +72,7 @@ class ScriptGenTest : CodegenTestCase() {
     }
 
     fun testDependentScripts() {
-        setUpEnvironment(listOf("scriptCustom/fibwp.lang.kt", "scriptCustom/fibwprunner.kts"))
+        setUpEnvironment(listOf("scriptCustom/fibwp.lang.kts", "scriptCustom/fibwprunner.kts"))
 
         val aClass = generateClass("Fibwprunner")
         val constructor = aClass.getConstructor()
@@ -88,7 +88,7 @@ class ScriptGenTest : CodegenTestCase() {
     }
 
     fun testScriptWhereMethodHasClosure() {
-        setUpEnvironment("scriptCustom/methodWithClosure.lang.kt")
+        setUpEnvironment("scriptCustom/methodWithClosure.lang.kts")
 
         val aClass = generateClass("MethodWithClosure_lang")
         val constructor = aClass.getConstructor(Integer.TYPE)
@@ -127,6 +127,6 @@ class ScriptGenTest : CodegenTestCase() {
 }
 
 @ScriptTemplateDefinition(
-        scriptFilePattern =".*\\.lang\\.kt",
+        scriptFilePattern =".*\\.lang\\.kts",
         resolver = TestKotlinScriptDependenciesResolver::class)
 abstract class ScriptWithIntParam(val num: Int)