diff --git a/xml/tests/testData/commentInjection/broken_syntax.html b/xml/tests/testData/commentInjection/broken_syntax.html
deleted file mode 100644
index d13549dda5ce..000000000000
--- a/xml/tests/testData/commentInjection/broken_syntax.html
+++ /dev/null
@@ -1,14 +0,0 @@
-
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- title
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\ No newline at end of file
diff --git a/xml/tests/testData/commentInjection/broken_syntax.xhtml b/xml/tests/testData/commentInjection/broken_syntax.xhtml
deleted file mode 100644
index f37fe59ae6bb..000000000000
--- a/xml/tests/testData/commentInjection/broken_syntax.xhtml
+++ /dev/null
@@ -1,15 +0,0 @@
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diff --git a/xml/tests/testData/commentInjection/broken_syntax2.html b/xml/tests/testData/commentInjection/broken_syntax2.html
deleted file mode 100644
index b164bded4475..000000000000
--- a/xml/tests/testData/commentInjection/broken_syntax2.html
+++ /dev/null
@@ -1,14 +0,0 @@
-
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- title
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\ No newline at end of file
diff --git a/xml/tests/testData/commentInjection/broken_syntax2.xhtml b/xml/tests/testData/commentInjection/broken_syntax2.xhtml
deleted file mode 100644
index 9154f2cd2e62..000000000000
--- a/xml/tests/testData/commentInjection/broken_syntax2.xhtml
+++ /dev/null
@@ -1,15 +0,0 @@
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diff --git a/xml/tests/testData/commentInjection/complete.html b/xml/tests/testData/commentInjection/complete.html
deleted file mode 100644
index 0b7c20cd1947..000000000000
--- a/xml/tests/testData/commentInjection/complete.html
+++ /dev/null
@@ -1,13 +0,0 @@
-
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- title
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\ No newline at end of file
diff --git a/xml/tests/testData/commentInjection/complete.xhtml b/xml/tests/testData/commentInjection/complete.xhtml
deleted file mode 100644
index a570e87dbd37..000000000000
--- a/xml/tests/testData/commentInjection/complete.xhtml
+++ /dev/null
@@ -1,15 +0,0 @@
-
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- title
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diff --git a/xml/tests/testData/commentInjection/complete_after.html b/xml/tests/testData/commentInjection/complete_after.html
deleted file mode 100644
index e8ee0bfcb8bf..000000000000
--- a/xml/tests/testData/commentInjection/complete_after.html
+++ /dev/null
@@ -1,13 +0,0 @@
-
-
-
- title
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\ No newline at end of file
diff --git a/xml/tests/testData/commentInjection/complete_after.xhtml b/xml/tests/testData/commentInjection/complete_after.xhtml
deleted file mode 100644
index 5577d12d196b..000000000000
--- a/xml/tests/testData/commentInjection/complete_after.xhtml
+++ /dev/null
@@ -1,15 +0,0 @@
-
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- title
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diff --git a/xml/tests/testData/commentInjection/injected1.html b/xml/tests/testData/commentInjection/injected1.html
deleted file mode 100644
index c7281d9f69ff..000000000000
--- a/xml/tests/testData/commentInjection/injected1.html
+++ /dev/null
@@ -1,14 +0,0 @@
-
-
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- title
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\ No newline at end of file
diff --git a/xml/tests/testData/commentInjection/injected1.xhtml b/xml/tests/testData/commentInjection/injected1.xhtml
deleted file mode 100644
index 78748c7ec712..000000000000
--- a/xml/tests/testData/commentInjection/injected1.xhtml
+++ /dev/null
@@ -1,16 +0,0 @@
-
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diff --git a/xml/tests/testData/commentInjection/injected2.html b/xml/tests/testData/commentInjection/injected2.html
deleted file mode 100644
index f43a71f11f7d..000000000000
--- a/xml/tests/testData/commentInjection/injected2.html
+++ /dev/null
@@ -1,22 +0,0 @@
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\ No newline at end of file
diff --git a/xml/tests/testData/commentInjectionFormatting/formatting1.html b/xml/tests/testData/commentInjectionFormatting/formatting1.html
deleted file mode 100644
index ed2850eecec2..000000000000
--- a/xml/tests/testData/commentInjectionFormatting/formatting1.html
+++ /dev/null
@@ -1,18 +0,0 @@
-
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-title
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\ No newline at end of file
diff --git a/xml/tests/testData/commentInjectionFormatting/formatting1_after.html b/xml/tests/testData/commentInjectionFormatting/formatting1_after.html
deleted file mode 100644
index 53c4a712ae18..000000000000
--- a/xml/tests/testData/commentInjectionFormatting/formatting1_after.html
+++ /dev/null
@@ -1,18 +0,0 @@
-
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- title
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\ No newline at end of file
diff --git a/xml/tests/testData/commentInjectionFormatting/formatting2.html b/xml/tests/testData/commentInjectionFormatting/formatting2.html
deleted file mode 100644
index 5487ba9dff53..000000000000
--- a/xml/tests/testData/commentInjectionFormatting/formatting2.html
+++ /dev/null
@@ -1,36 +0,0 @@
-
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-title
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diff --git a/xml/tests/testData/commentInjectionFormatting/formatting2_after.html b/xml/tests/testData/commentInjectionFormatting/formatting2_after.html
deleted file mode 100644
index d74a7b1fd0af..000000000000
--- a/xml/tests/testData/commentInjectionFormatting/formatting2_after.html
+++ /dev/null
@@ -1,36 +0,0 @@
-
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- title
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diff --git a/xml/tests/testData/commentInjectionFormatting/xhtmlFormatting1.xhtml b/xml/tests/testData/commentInjectionFormatting/xhtmlFormatting1.xhtml
deleted file mode 100644
index 2b8603650a4f..000000000000
--- a/xml/tests/testData/commentInjectionFormatting/xhtmlFormatting1.xhtml
+++ /dev/null
@@ -1,21 +0,0 @@
-
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-title
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diff --git a/xml/tests/testData/commentInjectionFormatting/xhtmlFormatting1_after.xhtml b/xml/tests/testData/commentInjectionFormatting/xhtmlFormatting1_after.xhtml
deleted file mode 100644
index 6d961243af5b..000000000000
--- a/xml/tests/testData/commentInjectionFormatting/xhtmlFormatting1_after.xhtml
+++ /dev/null
@@ -1,21 +0,0 @@
-
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- title
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diff --git a/xml/tests/testData/commentInjectionFormatting/xhtmlFormatting2.xhtml b/xml/tests/testData/commentInjectionFormatting/xhtmlFormatting2.xhtml
deleted file mode 100644
index 21b38f34a783..000000000000
--- a/xml/tests/testData/commentInjectionFormatting/xhtmlFormatting2.xhtml
+++ /dev/null
@@ -1,39 +0,0 @@
-
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-title
-
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diff --git a/xml/tests/testData/commentInjectionFormatting/xhtmlFormatting2_after.xhtml b/xml/tests/testData/commentInjectionFormatting/xhtmlFormatting2_after.xhtml
deleted file mode 100644
index d0d7ecb8e4d7..000000000000
--- a/xml/tests/testData/commentInjectionFormatting/xhtmlFormatting2_after.xhtml
+++ /dev/null
@@ -1,39 +0,0 @@
-
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- title
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-