Update formatting integration tests to assert new behavior

Author: dibarbet

test/lsptoolshost/integrationTests/formatting.integration.test.ts

@@ -39,6 +39,7 @@ describe(`Formatting Tests`, () => {
             'using Options;',
             'using System;',
             'namespace Formatting;',
+            '',
             'class DocumentFormatting',
             '{',
             '    public int Property1',
@@ -62,6 +63,7 @@ describe(`Formatting Tests`, () => {
             'using Options;',
             'using System;',
             'namespace Formatting;',
+            '',
             'class DocumentFormatting',
             '{',
             '    public int Property1',
@@ -85,6 +87,7 @@ describe(`Formatting Tests`, () => {
             'using Options;',
             'using System;',
             'namespace Formatting;',
+            '',
             'class DocumentFormatting',
             '{',
             '    public int Property1 {',
@@ -108,6 +111,7 @@ describe(`Formatting Tests`, () => {
             'using System;',
             'using Options;',
             'namespace Formatting;',
+            '',
             'class DocumentFormatting',
             '{',
             '    public int Property1',
@@ -134,6 +138,7 @@ describe(`Formatting Tests`, () => {
             'using Options;',
             'using System;',
             'namespace Formatting;',
+            '',
             'class DocumentFormatting',
             '{',
             '    public int Property1',