LV 2.0: add "not existing source path" test which uses K2

compiler/testData/cli/jvm/nonExistingSourcePathK2.args

@@ -0,0 +1,4 @@
+not/existing/path
+-d
+$TEMP_DIR$
+

compiler/testData/cli/jvm/nonExistingSourcePathK2.out

@@ -0,0 +1,2 @@
+error: source file or directory not found: not/existing/path
+COMPILATION_ERROR

compiler/tests-gen/org/jetbrains/kotlin/cli/CliTestGenerated.java

@@ -1010,6 +1010,11 @@ public class CliTestGenerated extends AbstractCliTest {
             runTest("compiler/testData/cli/jvm/nonExistingSourcePath.args");
         }
 
+        @TestMetadata("nonExistingSourcePathK2.args")
+        public void testNonExistingSourcePathK2() throws Exception {
+            runTest("compiler/testData/cli/jvm/nonExistingSourcePathK2.args");
+        }
+
         @TestMetadata("nonLocalDisabled.args")
         public void testNonLocalDisabled() throws Exception {
             runTest("compiler/testData/cli/jvm/nonLocalDisabled.args");