test: move compile errors and incremental tests into common dir

ci/zinc/linux_test.sh

@@ -45,7 +45,7 @@ cd $WORKSPACE
 
 # Look for non-conforming code formatting.
 # Formatting errors can be fixed by running `zig fmt` on the files printed here.
-$ZIG fmt --check . --exclude test/compile_errors/ --exclude test/incremental/
+$ZIG fmt --check . --exclude test/cases/
 
 # Build stage2 standalone so that we can test stage2 against stage2 compiler-rt.
 $ZIG             build -p stage2 -Dstatic-llvm -Dtarget=native-native-musl --search-prefix "$DEPS_LOCAL"

src/test.zig

@@ -36,20 +36,7 @@ test {
 
     {
         const dir_path = try std.fs.path.join(arena, &.{
-            std.fs.path.dirname(@src().file).?, "..", "test", "compile_errors",
-        });
-
-        var dir = try std.fs.cwd().openDir(dir_path, .{ .iterate = true });
-        defer dir.close();
-
-        // TODO make this incremental once the bug is solved that it triggers
-        // See: https://github.com/ziglang/zig/issues/11344
-        ctx.addTestCasesFromDir(dir);
-    }
-
-    {
-        const dir_path = try std.fs.path.join(arena, &.{
-            std.fs.path.dirname(@src().file).?, "..", "test", "incremental",
+            std.fs.path.dirname(@src().file).?, "..", "test", "cases",
         });
 
         var dir = try std.fs.cwd().openDir(dir_path, .{ .iterate = true });