[GCOV] Make test path generic so it passes on all machines
-// CHECK: -: 0:Source:/home/calixte/dev/mozilla/llvm.cal/projects/compiler-rt/test/profile/Inputs/instrprof-gcov-one-line-function.c
+// CHECK: -: 0:Source:{{.*}}Inputs/instrprof-gcov-one-line-function.c
// CHECK-NEXT: -: 0:Graph:instrprof-gcov-one-line-function.gcno
// CHECK-NEXT: -: 0:Data:instrprof-gcov-one-line-function.gcda
// CHECK-NEXT: -: 0:Runs:1
