Add a complex test for CSV guess to test quoted strings

Author: Dai MIKURUBE

embulk-guess-csv/src/test/java/org/embulk/standards/guess/TestCsvGuessPlugin.java

@@ -74,6 +74,13 @@ public void testSimple() throws Exception {
                 "test_simple_guessed.yml");
     }
 
+    @Test
+    public void testComplex() throws Exception {
+        assertGuessByResource(embulk,
+                "test_complex_seed.yml", "test_complex.csv",
+                "test_complex_guessed.yml");
+    }
+
     @Test
     public void testFor1Rows() throws Exception {
         assertGuessByResource(embulk,