Split testWriteHtmlSafe into Two Separate Test Cases for Improved T…

…est Granularity (#2653)

* Split testWriteHtmlSafe into two test case to improve the Test Granularity

* Style violations fixed

gson/src/test/java/com/google/gson/MixedStreamTest.java

@@ -197,16 +197,22 @@ public void testReadNulls() {
   }
 
   @Test
-  public void testWriteHtmlSafe() {
+  public void testWriteHtmlSafeWithEscaping() {
     List<String> contents = Arrays.asList("<", ">", "&", "=", "'");
     Type type = new TypeToken<List<String>>() {}.getType();
 
     StringWriter writer = new StringWriter();
     new Gson().toJson(contents, type, new JsonWriter(writer));
     assertThat(writer.toString())
         .isEqualTo("[\"\\u003c\",\"\\u003e\",\"\\u0026\",\"\\u003d\",\"\\u0027\"]");
+  }
+
+  @Test
+  public void testWriteHtmlSafeWithoutEscaping() {
+    List<String> contents = Arrays.asList("<", ">", "&", "=", "'");
+    Type type = new TypeToken<List<String>>() {}.getType();
 
-    writer = new StringWriter();
+    StringWriter writer = new StringWriter();
     new GsonBuilder().disableHtmlEscaping().create().toJson(contents, type, new JsonWriter(writer));
     assertThat(writer.toString()).isEqualTo("[\"<\",\">\",\"&\",\"=\",\"'\"]");
   }