update runtests.jl

Author: MarcoArtiano

test/runtests.jl

@@ -70,11 +70,11 @@ const TRIXI_NTHREADS = clamp(Sys.CPU_THREADS, 2, 3)
         include("test_trixi_consistency.jl")
     end
 
-    @time if TRIXI_TEST == "unit tests"
+    @time if TRIXI_TEST == "all" || TRIXI_TEST == "unit tests"
         include("test_unit.jl")
     end
 
-    @time if TRIXI_TEST == "type stable tests"
+    @time if TRIXI_TEST == "all" || TRIXI_TEST == "type stable tests"
         include("test_type.jl")
     end
 end