[esm-integration] JSPI is not yet supported

I think I was confused at some point and thought that only ASYNCIFY=1
was not supported.

Split out from emscripten-core#24555

Author: sbc100

test/common.py

@@ -1123,6 +1123,8 @@ def require_jspi(self):
     self.set_setting('JSPI')
     if self.is_wasm2js():
       self.skipTest('JSPI is not currently supported for WASM2JS')
+    if self.get_setting('WASM_ESM_INTEGRATION'):
+      self.skipTest('WASM_ESM_INTEGRATION is not compatible with JSPI')
 
     if self.is_browser_test():
       if 'EMTEST_SKIP_JSPI' in os.environ:

tools/link.py

@@ -808,8 +808,8 @@ def phase_linker_setup(options, linker_args):  # noqa: C901, PLR0912, PLR0915
       exit_with_error('WASM_ESM_INTEGRATION requires MODULARIZE=instance')
     if settings.RELOCATABLE:
       exit_with_error('WASM_ESM_INTEGRATION is not compatible with dynamic linking')
-    if settings.ASYNCIFY == 1:
-      exit_with_error('WASM_ESM_INTEGRATION is not compatible with -sASYNCIFY=1')
+    if settings.ASYNCIFY:
+      exit_with_error('WASM_ESM_INTEGRATION is not compatible with -sASYNCIFY')
     if settings.WASM_WORKERS or settings.PTHREADS:
       exit_with_error('WASM_ESM_INTEGRATION is not compatible with multi-threading')
     if settings.USE_OFFSET_CONVERTER: