prevent cython.inline() tests from writing into use home directory

Cython/Build/Tests/TestInline.py

@@ -45,10 +45,10 @@ class TestInline(CythonTest):
             a = 1
             cdef double b = 2
             cdef c = []
-        """), dict(a=1, b=2.0, c=[]))
+        """, **self.test_kwds), dict(a=1, b=2.0, c=[]))
 
     def test_def_node(self):
-        foo = inline("def foo(x): return x * x")['foo']
+        foo = inline("def foo(x): return x * x", **self.test_kwds)['foo']
         self.assertEquals(foo(7), 49)
 
     def test_pure(self):
@@ -57,7 +57,7 @@ class TestInline(CythonTest):
         b = cy.declare(float, a)
         c = cy.declare(cy.pointer(cy.float), &b)
         return b
-        """, a=3)
+        """, a=3, **self.test_kwds)
         self.assertEquals(type(b), float)
 
     if has_numpy: