fix test formant

Author: xudong963

datafusion/expr/src/logical_plan/builder.rs

@@ -2708,12 +2708,12 @@ mod tests {
 
         assert_snapshot!(plan, @r"
         Union
-          Cross Join:
+          Cross Join: 
             SubqueryAlias: left
               Values: (Int32(1))
             SubqueryAlias: right
               Values: (Int32(1))
-          Cross Join:
+          Cross Join: 
             SubqueryAlias: left
               Values: (Int32(1))
             SubqueryAlias: right

datafusion/optimizer/src/push_down_filter.rs

@@ -2331,7 +2331,7 @@ mod tests {
             plan,
             @r"
         Projection: test.a, test1.d
-          Cross Join:
+          Cross Join: 
             Projection: test.a, test.b, test.c
               TableScan: test, full_filters=[test.a = Int32(1)]
             Projection: test1.d, test1.e, test1.f
@@ -2361,7 +2361,7 @@ mod tests {
             plan,
             @r"
         Projection: test.a, test1.a
-          Cross Join:
+          Cross Join: 
             Projection: test.a, test.b, test.c
               TableScan: test, full_filters=[test.a = Int32(1)]
             Projection: test1.a, test1.b, test1.c

datafusion/optimizer/src/push_down_limit.rs

@@ -1059,7 +1059,7 @@ mod test {
             plan,
             @r"
         Limit: skip=0, fetch=1000
-          Cross Join:
+          Cross Join: 
             Limit: skip=0, fetch=1000
               TableScan: test, fetch=1000
             Limit: skip=0, fetch=1000
@@ -1082,7 +1082,7 @@ mod test {
             plan,
             @r"
         Limit: skip=1000, fetch=1000
-          Cross Join:
+          Cross Join: 
             Limit: skip=0, fetch=2000
               TableScan: test, fetch=2000
             Limit: skip=0, fetch=2000