Do not add JDK .jar roots if the JDK is modular (9+)

Files like ant-javafx.jar, deploy.jar, java.jnlp.jar, javafx-swt.jar etc
should not be added to the classpath if JDK home points to a JDK 9
distribution

compiler/tests/org/jetbrains/kotlin/cli/AbstractCliTest.java

@@ -77,7 +77,7 @@ public abstract class AbstractCliTest extends TestCaseWithTmpdir {
                 .replace("\\", "/")
                 .replace(KotlinCompilerVersion.VERSION, "$VERSION$");
 
-        return normalizedOutputWithoutExitCode + exitCode;
+        return normalizedOutputWithoutExitCode + exitCode + "\n";
     }
 
     private void doTest(@NotNull String fileName, @NotNull CLITool<?> compiler) throws Exception {