diff --git a/tests/wpt/include.ini b/tests/wpt/include.ini
index 32eb103eabe..7c891a5dcbe 100644
--- a/tests/wpt/include.ini
+++ b/tests/wpt/include.ini
@@ -94,6 +94,7 @@ skip: true
   [css-speech]
     skip: true
   [css-text]
+    skip: false
     [i18n]
       skip: true
   [css-typed-om]
diff --git a/tests/wpt/meta-legacy-layout/css/css-text/letter-spacing/letter-spacing-percent-001.html.ini b/tests/wpt/meta-legacy-layout/css/css-text/letter-spacing/letter-spacing-percent-001.html.ini
new file mode 100644
index 00000000000..90c80182ad9
--- /dev/null
+++ b/tests/wpt/meta-legacy-layout/css/css-text/letter-spacing/letter-spacing-percent-001.html.ini
@@ -0,0 +1,2 @@
+[letter-spacing-percent-001.html]
+  expected: FAIL
diff --git a/tests/wpt/meta-legacy-layout/css/css-text/parsing/letter-spacing-computed.html.ini b/tests/wpt/meta-legacy-layout/css/css-text/parsing/letter-spacing-computed.html.ini
index 6828569d1c0..c7743b06041 100644
--- a/tests/wpt/meta-legacy-layout/css/css-text/parsing/letter-spacing-computed.html.ini
+++ b/tests/wpt/meta-legacy-layout/css/css-text/parsing/letter-spacing-computed.html.ini
@@ -2,3 +2,14 @@
   [Property letter-spacing value 'normal' computes to '0px']
     expected: FAIL
 
+  [Property letter-spacing value '110%']
+    expected: FAIL
+
+  [Property letter-spacing value '-5%']
+    expected: FAIL
+
+  [Property letter-spacing value 'calc(10% - 20%)']
+    expected: FAIL
+
+  [Property letter-spacing value 'calc(10px - (5% + 10%)']
+    expected: FAIL
diff --git a/tests/wpt/meta-legacy-layout/css/css-text/parsing/letter-spacing-valid.html.ini b/tests/wpt/meta-legacy-layout/css/css-text/parsing/letter-spacing-valid.html.ini
new file mode 100644
index 00000000000..f7411a6f2c5
--- /dev/null
+++ b/tests/wpt/meta-legacy-layout/css/css-text/parsing/letter-spacing-valid.html.ini
@@ -0,0 +1,12 @@
+[letter-spacing-valid.html]
+  [e.style['letter-spacing'\] = "120%" should set the property value]
+    expected: FAIL
+
+  [e.style['letter-spacing'\] = "-10%" should set the property value]
+    expected: FAIL
+
+  [e.style['letter-spacing'\] = "calc(2ch - 30%)" should set the property value]
+    expected: FAIL
+
+  [e.style['letter-spacing'\] = "calc(40% + 50px)" should set the property value]
+    expected: FAIL
diff --git a/tests/wpt/meta-legacy-layout/css/css-text/word-spacing/word-spacing-002.html.ini b/tests/wpt/meta-legacy-layout/css/css-text/word-spacing/word-spacing-002.html.ini
new file mode 100644
index 00000000000..8c45b2ab5ea
--- /dev/null
+++ b/tests/wpt/meta-legacy-layout/css/css-text/word-spacing/word-spacing-002.html.ini
@@ -0,0 +1,2 @@
+[word-spacing-002.html]
+  expected: FAIL
diff --git a/tests/wpt/meta-legacy-layout/css/css-text/word-spacing/word-spacing-percent-001.html.ini b/tests/wpt/meta-legacy-layout/css/css-text/word-spacing/word-spacing-percent-001.html.ini
new file mode 100644
index 00000000000..5ab4d45dd9e
--- /dev/null
+++ b/tests/wpt/meta-legacy-layout/css/css-text/word-spacing/word-spacing-percent-001.html.ini
@@ -0,0 +1,2 @@
+[word-spacing-percent-001.html]
+  expected: FAIL
diff --git a/tests/wpt/meta/css/css-text/letter-spacing/letter-spacing-percent-001.html.ini b/tests/wpt/meta/css/css-text/letter-spacing/letter-spacing-percent-001.html.ini
new file mode 100644
index 00000000000..90c80182ad9
--- /dev/null
+++ b/tests/wpt/meta/css/css-text/letter-spacing/letter-spacing-percent-001.html.ini
@@ -0,0 +1,2 @@
+[letter-spacing-percent-001.html]
+  expected: FAIL
diff --git a/tests/wpt/meta/css/css-text/parsing/letter-spacing-computed.html.ini b/tests/wpt/meta/css/css-text/parsing/letter-spacing-computed.html.ini
new file mode 100644
index 00000000000..342b85d13fe
--- /dev/null
+++ b/tests/wpt/meta/css/css-text/parsing/letter-spacing-computed.html.ini
@@ -0,0 +1,12 @@
+[letter-spacing-computed.html]
+  [Property letter-spacing value '110%']
+    expected: FAIL
+
+  [Property letter-spacing value '-5%']
+    expected: FAIL
+
+  [Property letter-spacing value 'calc(10% - 20%)']
+    expected: FAIL
+
+  [Property letter-spacing value 'calc(10px - (5% + 10%)']
+    expected: FAIL
diff --git a/tests/wpt/meta/css/css-text/parsing/letter-spacing-valid.html.ini b/tests/wpt/meta/css/css-text/parsing/letter-spacing-valid.html.ini
new file mode 100644
index 00000000000..f7411a6f2c5
--- /dev/null
+++ b/tests/wpt/meta/css/css-text/parsing/letter-spacing-valid.html.ini
@@ -0,0 +1,12 @@
+[letter-spacing-valid.html]
+  [e.style['letter-spacing'\] = "120%" should set the property value]
+    expected: FAIL
+
+  [e.style['letter-spacing'\] = "-10%" should set the property value]
+    expected: FAIL
+
+  [e.style['letter-spacing'\] = "calc(2ch - 30%)" should set the property value]
+    expected: FAIL
+
+  [e.style['letter-spacing'\] = "calc(40% + 50px)" should set the property value]
+    expected: FAIL
diff --git a/tests/wpt/meta/css/css-text/word-spacing/word-spacing-002.html.ini b/tests/wpt/meta/css/css-text/word-spacing/word-spacing-002.html.ini
new file mode 100644
index 00000000000..8c45b2ab5ea
--- /dev/null
+++ b/tests/wpt/meta/css/css-text/word-spacing/word-spacing-002.html.ini
@@ -0,0 +1,2 @@
+[word-spacing-002.html]
+  expected: FAIL
diff --git a/tests/wpt/meta/css/css-text/word-spacing/word-spacing-percent-001.html.ini b/tests/wpt/meta/css/css-text/word-spacing/word-spacing-percent-001.html.ini
new file mode 100644
index 00000000000..5ab4d45dd9e
--- /dev/null
+++ b/tests/wpt/meta/css/css-text/word-spacing/word-spacing-percent-001.html.ini
@@ -0,0 +1,2 @@
+[word-spacing-percent-001.html]
+  expected: FAIL