tests/import: Skip import tests where needed.

Signed-off-by: Damien George <damien@micropython.org>

tests/import/builtin_ext.py

@@ -1,3 +1,9 @@
+try:
+    import uos, utime
+except ImportError:
+    print("SKIP")
+    raise SystemExit
+
 # Verify that sys is a builtin.
 import sys
 

tests/import/import_broken.py

@@ -1,3 +1,9 @@
+try:
+    Exception.__class__
+except AttributeError:
+    print("SKIP")
+    raise SystemExit
+
 import sys, pkg
 
 # Modules we import are usually added to sys.modules.

tests/import/import_file.py

@@ -1,3 +1,7 @@
+if "__file__" not in globals():
+    print("SKIP")
+    raise SystemExit
+
 import import1b
 
 print(import1b.__file__)

tests/import/import_pkg9.py

@@ -13,4 +13,4 @@ pkg9.mod2()
 import pkg9.mod2
 
 pkg9.mod1()
-print(pkg9.mod2.__name__, type(pkg9.mod2).__name__)
+print(pkg9.mod2.__name__, type(pkg9.mod2))

tests/import/import_star_error.py

@@ -1,5 +1,10 @@
 # test errors with import *
 
+if not hasattr(object, "__init__"):
+    # target doesn't have MICROPY_CPYTHON_COMPAT enabled, so doesn't check for "import *"
+    print("SKIP")
+    raise SystemExit
+
 # 'import *' is not allowed in function scope
 try:
     exec("def foo(): from x import *")