testsuite: Increase "counter" in testcase name

The testsuite's sum files have a convention where a number is increased for
every test, but this isn't followed in tests-appear2.exp. It looks like a
copy/paste issue, so adjust.

Change-Id: I505e102f35432e9a7a346b1a50addbd0302cc4f1
diff --git a/testsuite/expected-1-2-long.txt b/testsuite/expected-1-2-long.txt
index a4aa969..968cabe 100644
--- a/testsuite/expected-1-2-long.txt
+++ b/testsuite/expected-1-2-long.txt
@@ -175,7 +175,7 @@
   - UNRESOLVED appears        [     =>UNRES]:
 
   Executed from: gcc-compare-results:tests-appear2.exp
-    gcc-compare-results:tests-appear2.exp=test4-unresolved-appears
+    gcc-compare-results:tests-appear2.exp=test7-unresolved-appears
 
 
 
@@ -397,7 +397,7 @@
   - UNSUPPORTED appears       [     =>UNSUP]:
 
   Executed from: gcc-compare-results:tests-appear2.exp
-    gcc-compare-results:tests-appear2.exp=test4-unsupported-appears
+    gcc-compare-results:tests-appear2.exp=test5-unsupported-appears
 
 
   - UNTESTED now PASS         [UNTES=> PASS]:
@@ -427,7 +427,7 @@
   - UNTESTED appears          [     =>UNTES]:
 
   Executed from: gcc-compare-results:tests-appear2.exp
-    gcc-compare-results:tests-appear2.exp=test4-untested-appears
+    gcc-compare-results:tests-appear2.exp=test6-untested-appears
 
 
   - UNRESOLVED now PASS       [UNRES=> PASS]:
diff --git a/testsuite/sum-2.txt b/testsuite/sum-2.txt
index 1c1b68e..5760ca8 100644
--- a/testsuite/sum-2.txt
+++ b/testsuite/sum-2.txt
@@ -72,9 +72,9 @@
 XPASS: test2-xpass-appears
 FAIL: test3-fail-appears
 XFAIL: test4-xfail-appears
-UNSUPPORTED: test4-unsupported-appears
-UNTESTED: test4-untested-appears
-UNRESOLVED: test4-unresolved-appears
+UNSUPPORTED: test5-unsupported-appears
+UNTESTED: test6-untested-appears
+UNRESOLVED: test7-unresolved-appears
 
 Running tests-8.exp ...
 PASS: test1-pass-and-fails