remove ()? in for join msgs

Author: rikivillalba

inst/tests/tests.Rraw

@@ -20634,9 +20634,8 @@ test(2296, d2[x %no such operator% 1], error = '%no such operator%')
 # fix coercing integer/double for joins on multiple columns, #6602
 x = data.table(a=1L)
 y = data.table(c=1L, d=1)
-# 2297.01 and 02: previous test was "Coercing .*a to type double.*Coercing .*c to type double" in which 2nd ".*" silently captures "for join"
-test(2297.01, y[x, on=.(c == a, d == a), verbose=TRUE], data.table(c=1L, d=1L), output="Coercing .*a (.for join.)? to type double.*Coercing .*c to type double")
-test(2297.02, y[x, on=.(d == a, c == a), verbose=TRUE], data.table(c=1L, d=1L), output="Coercing .*a (.for join.)? to type double.*Coercing .*c to type double")
+test(2297.01, y[x, on=.(c == a, d == a), verbose=TRUE], data.table(c=1L, d=1L), output="Coercing .*a .for join. to type double.*Coercing .*c to type double")
+test(2297.02, y[x, on=.(d == a, c == a), verbose=TRUE], data.table(c=1L, d=1L), output="Coercing .*a .for join. to type double.*Coercing .*c to type double")
 x = data.table(a=1)
 y = data.table(c=1, d=1L)
 test(2297.03, y[x, on=.(c == a, d == a), verbose=TRUE], data.table(c=1L, d=1L), output="Coercing .*a .*no fractions.* to type integer.*Coercing .*c .*no fractions.* to type integer")