perf tests: Rename tests/map_groups.c to tests/maps.c

One more step in mergint the maps and map_groups structs.

Cc: Adrian Hunter <[e-mail]>
Cc: Andi Kleen <[e-mail]>
Cc: Jiri Olsa <[e-mail]>
Cc: Namhyung Kim <[e-mail]>
Link: https://lkml.kernel.org/n/[e-mail]
Signed-off-by: Arnaldo Carvalho de Melo <[e-mail]>

tools/perf/tests/Build

···
 perf-y += clang.o
 perf-y += unit_number__scnprintf.o
 perf-y += mem2node.o
-perf-y += map_groups.o
+perf-y += maps.o
 perf-y += time-utils-test.o
 
 $(OUTPUT)tests/llvm-src-base.c: tests/bpf-script-example.c tests/Build

tools/perf/tests/builtin-test.c

···
 		.func = test__time_utils,
 	},
 	{
-		.desc = "map_groups__merge_in",
-		.func = test__map_groups__merge_in,
+		.desc = "maps__merge_in",
+		.func = test__maps__merge_in,
 	},
 	{
 		.func = NULL,

tools/perf/tests/map_groups.c tools/perf/tests/maps.c

···
 	return TEST_OK;
 }
 
-int test__map_groups__merge_in(struct test *t __maybe_unused, int subtest __maybe_unused)
+int test__maps__merge_in(struct test *t __maybe_unused, int subtest __maybe_unused)
 {
 	struct maps maps;
 	unsigned int i;

tools/perf/tests/tests.h

···
 int test__clang_subtest_get_nr(void);
 int test__unit_number__scnprint(struct test *test, int subtest);
 int test__mem2node(struct test *t, int subtest);
-int test__map_groups__merge_in(struct test *t, int subtest);
+int test__maps__merge_in(struct test *t, int subtest);
 int test__time_utils(struct test *t, int subtest);
 
 bool test__bp_signal_is_supported(void);