Rename some numeric tests: nnnn -> Tnnnn

testsuite/tests/ghci.debugger/scripts/2740.script → testsuite/tests/ghci.debugger/scripts/T2740.script

 :seti -XMonomorphismRestriction
-:l 2740.hs
+:l T2740.hs
 :step f 1 2 3
 :step
 :print x

testsuite/tests/ghci.debugger/scripts/2740.stdout → testsuite/tests/ghci.debugger/scripts/T2740.stdout

-Stopped at 2740.hs:(3,1)-(4,25)
+Stopped at T2740.hs:(3,1)-(4,25)
 _result :: a = _
-Stopped at 2740.hs:3:11-13
+Stopped at T2740.hs:3:11-13
 _result :: Bool = _
 x :: Integer = 1
 y :: Integer = 2

testsuite/tests/ghci.debugger/scripts/all.T

@@ -83,7 +83,7 @@ test('listCommand002', normal, ghci_script, ['listCommand002.script'])
 
 test('hist001', normal, ghci_script, ['hist001.script'])
 
-test('2740', normal, ghci_script, ['2740.script'])
+test('T2740', normal, ghci_script, ['T2740.script'])
 
 test('getargs', normal, ghci_script, ['getargs.script'])
 test('T7386', normal, ghci_script, ['T7386.script'])