fix linux exit finished

tests/system/process_test.cpp

@@ -74,9 +74,6 @@ TEST_F(ProcessTest, Input) {
 	EXPECT_TRUE(!launcher.isExecFinished());
 
 	PIString test_input = "Test input string\n";
-#ifdef WINDOWS
-	test_input += (char)0x1A;
-#endif
 	EXPECT_TRUE(launcher.writeInput(test_input.toAscii()));
 	launcher.closeInput();
 
@@ -91,6 +88,9 @@ TEST_F(ProcessTest, Input) {
 TEST_F(ProcessTest, NonexistentCommand) {
 	const PIString command = {"nonexistent_command_12345"};
 
+	launcher.enableWriteStdIn(false);
+	launcher.enableReadStdOut(false);
+	launcher.enableReadStdErr(false);
 	launcher.exec(command);
 	ASSERT_TRUE(launcher.isRunning());
 	ASSERT_TRUE(launcher.waitForFinish());