Remove 1 duplicated SVG test and rename 4 SVG text tests for selection

LayoutTests/platform/mac/virtual/slimmingpaint/svg/text/text-align-03-b-expected.txt

Index: LayoutTests/platform/mac/virtual/slimmingpaint/svg/text/text-align-03-b-expected.txt
diff --git a/LayoutTests/platform/mac/virtual/slimmingpaint/svg/text/text-align-03-b-expected.txt b/LayoutTests/platform/mac/virtual/slimmingpaint/svg/text/text-align-03-b-expected.txt
deleted file mode 100644
index 505bf8e94b883f31165666f5975eb168c5387eac..0000000000000000000000000000000000000000
--- a/LayoutTests/platform/mac/virtual/slimmingpaint/svg/text/text-align-03-b-expected.txt
+++ /dev/null
@@ -1,25 +0,0 @@
-layer at (0,0) size 800x600
-  LayoutView at (0,0) size 800x600
-layer at (0,0) size 800x600
-  LayoutSVGRoot {svg} at (0,0) size 800x600
-    LayoutSVGContainer {g} at (0,6) size 781x369
-      LayoutSVGText {text} at (5,4) size 349x45 contains 1 chunk(s)
-        LayoutSVGInlineText {#text} at (0,0) size 349x45
-          chunk 1 text run 1 at (5.00,40.00) startOffset 0 endOffset 21 width 348.72: "Test of 'text-anchor'"
-      LayoutSVGPath {line} at (374,125) size 2x250 [stroke={[type=SOLID] [color=#FF0000]}] [fill={[type=SOLID] [color=#000000]}] [x1=225.00] [y1=75.00] [x2=225.00] [y2=225.00]
-      LayoutSVGContainer {g} at (0,138) size 781x224
-        LayoutSVGText {text} at (-2,83) size 471x134 contains 1 chunk(s)
-          LayoutSVGInlineText {#text} at (0,0) size 227x34
-            chunk 1 (end anchor) text run 1 at (-1.44,110.00) startOffset 0 endOffset 17 width 226.44: "Begin with \"end\","
-          LayoutSVGTSpan {tspan} at (0,0) size 399x34
-            LayoutSVGInlineText {#text} at (27,50) size 399x34
-              chunk 1 (middle anchor) text run 1 at (25.93,160.00) startOffset 0 endOffset 32 width 398.14: " switch to \"middle\" in a tspan, "
-          LayoutSVGTSpan {tspan} at (0,0) size 244x34
-            LayoutSVGInlineText {#text} at (226,100) size 244x34
-              chunk 1 text run 1 at (225.00,210.00) startOffset 0 endOffset 20 width 243.09: "and \"start\" ends it."
-    LayoutSVGText {text} at (10,304) size 264x47 contains 1 chunk(s)
-      LayoutSVGInlineText {#text} at (0,0) size 264x47
-        chunk 1 text run 1 at (10.00,340.00) startOffset 0 endOffset 16 width 263.31: "$Revision: 1.5 $"
-    LayoutSVGRect {rect} at (0,0) size 800x600 [stroke={[type=SOLID] [color=#000000]}] [x=1.00] [y=1.00] [width=478.00] [height=358.00]
-selection start: position 0 of child 0 {#text} of child 1 {text} of child 13 {g} of child 28 {svg} of document
-selection end:   position 16 of child 0 {#text} of child 15 {text} of child 28 {svg} of document