Add additional information to FAIL lines for animation interpolation tests

LayoutTests/platform/linux/animations/interpolation/line-height-interpolation-expected.txt

Index: LayoutTests/platform/linux/animations/interpolation/line-height-interpolation-expected.txt
diff --git a/LayoutTests/platform/linux/animations/interpolation/line-height-interpolation-expected.txt b/LayoutTests/platform/linux/animations/interpolation/line-height-interpolation-expected.txt
index b65ae861e3d8051d4f70df3d085a587797702c7d..93f786a387805c82c980c153d1b775f1e6444385 100644
--- a/LayoutTests/platform/linux/animations/interpolation/line-height-interpolation-expected.txt
+++ b/LayoutTests/platform/linux/animations/interpolation/line-height-interpolation-expected.txt
@@ -1,4 +1,4 @@
-FAIL: line-height from [4] to [14] was [normal] at -1, expected [0]
+FAIL: line-height from [4] to [14] was [normal] at -1, expected [0] (parsed as [0px])
 PASS: line-height from [4] to [14] was [1] at -0.3
 PASS: line-height from [4] to [14] was [4] at 0
 PASS: line-height from [4] to [14] was [7] at 0.3
@@ -18,9 +18,9 @@ PASS: line-height from [normal] to [normal] was [normal] at 0.3
 PASS: line-height from [normal] to [normal] was [normal] at 0.6
 PASS: line-height from [normal] to [normal] was [normal] at 1
 PASS: line-height from [normal] to [normal] was [normal] at 1.5
-FAIL: line-height from [4] to [14px] was [99.80000305175781px] at -0.3, expected [4]
+FAIL: line-height from [4] to [14px] was [99.80000305175781px] at -0.3, expected [4] (parsed as [80px])
 PASS: line-height from [4] to [14px] was [4] at 0
-FAIL: line-height from [4] to [14px] was [60.20000076293945px] at 0.3, expected [4]
+FAIL: line-height from [4] to [14px] was [60.20000076293945px] at 0.3, expected [4] (parsed as [80px])
 FAIL: line-height from [4] to [14px] was [40.39999771118164px] at 0.6, expected [14px]
 PASS: line-height from [4] to [14px] was [14px] at 1
 FAIL: line-height from [4] to [14px] was [-19px] at 1.5, expected [14px]
@@ -33,12 +33,12 @@ FAIL: line-height from [14px] to [normal] was [-37px] at 1.5, expected [normal]
 PASS: line-height from [normal] to [4] was [normal] at -0.3
 PASS: line-height from [normal] to [4] was [normal] at 0
 FAIL: line-height from [normal] to [4] was [10px] at 0.3, expected [normal]
-FAIL: line-height from [normal] to [4] was [40px] at 0.6, expected [4]
+FAIL: line-height from [normal] to [4] was [40px] at 0.6, expected [4] (parsed as [80px])
 PASS: line-height from [normal] to [4] was [4] at 1
-FAIL: line-height from [normal] to [4] was [130px] at 1.5, expected [4]
-FAIL: line-height from [4] to [normal] was [110px] at -0.3, expected [4]
+FAIL: line-height from [normal] to [4] was [130px] at 1.5, expected [4] (parsed as [80px])
+FAIL: line-height from [4] to [normal] was [110px] at -0.3, expected [4] (parsed as [80px])
 PASS: line-height from [4] to [normal] was [4] at 0
-FAIL: line-height from [4] to [normal] was [50px] at 0.3, expected [4]
+FAIL: line-height from [4] to [normal] was [50px] at 0.3, expected [4] (parsed as [80px])
 FAIL: line-height from [4] to [normal] was [20px] at 0.6, expected [normal]
 PASS: line-height from [4] to [normal] was [normal] at 1
 PASS: line-height from [4] to [normal] was [normal] at 1.5
@@ -51,7 +51,7 @@ FAIL: line-height from [normal] to [14px] was [31px] at 1.5, expected [14px]
 FAIL: line-height from [14px] to [4] was [-5.80000114440918px] at -0.3, expected [14px]
 PASS: line-height from [14px] to [4] was [14px] at 0
 FAIL: line-height from [14px] to [4] was [33.79999923706055px] at 0.3, expected [14px]
-FAIL: line-height from [14px] to [4] was [53.599998474121094px] at 0.6, expected [4]
+FAIL: line-height from [14px] to [4] was [53.599998474121094px] at 0.6, expected [4] (parsed as [80px])
 PASS: line-height from [14px] to [4] was [4] at 1
-FAIL: line-height from [14px] to [4] was [113px] at 1.5, expected [4]
+FAIL: line-height from [14px] to [4] was [113px] at 1.5, expected [4] (parsed as [80px])