8324937: GHA: Avoid multiple test suites per job

Backport-of: 1aba78f2720b581f18fc2cec5e84deba6b2bcd41

Author: shipilev

.github/workflows/test.yml

@@ -63,6 +63,7 @@ jobs:
           - 'hs/tier1 compiler part 1'
           - 'hs/tier1 compiler part 2'
           - 'hs/tier1 compiler part 3'
+          - 'hs/tier1 compiler not-xcomp'
           - 'hs/tier1 gc'
           - 'hs/tier1 runtime'
           - 'hs/tier1 serviceability'
@@ -90,13 +91,17 @@ jobs:
             debug-suffix: -debug
 
           - test-name: 'hs/tier1 compiler part 2'
-            test-suite: 'test/hotspot/jtreg/:tier1_compiler_2 test/hotspot/jtreg/:tier1_compiler_not_xcomp'
+            test-suite: 'test/hotspot/jtreg/:tier1_compiler_2'
             debug-suffix: -debug
 
           - test-name: 'hs/tier1 compiler part 3'
             test-suite: 'test/hotspot/jtreg/:tier1_compiler_3'
             debug-suffix: -debug
 
+          - test-name: 'hs/tier1 compiler not-xcomp'
+            test-suite: 'test/hotspot/jtreg/:tier1_compiler_not_xcomp'
+            debug-suffix: -debug
+
           - test-name: 'hs/tier1 gc'
             test-suite: 'test/hotspot/jtreg/:tier1_gc'
             debug-suffix: -debug