test: bump vyper tests

Author: DaniPopes

test-data/multi-sample/src/interfaces/ICounter.vy

@@ -0,0 +1,11 @@
+# pragma version ^0.4.0
+
+@external
+@view
+def number() -> uint256: ...
+
+@external
+def set_number(new_number: uint256): ...
+
+@external
+def increment() -> uint256: ...

test-data/multi-sample/src/interfaces/ICounter.vyi

@@ -1,3 +1 @@
-from . import B
-import A as AAlias
 from .module import C

test-data/vyper-imports/src/A.vy

@@ -1 +0,0 @@
-from ...module.inner import E

test-data/vyper-imports/src/module/inner/E.vy

@@ -0,0 +1,11 @@
+# pragma version ^0.4.0
+
+@external
+@view
+def number() -> uint256: ...
+
+@external
+def set_number(new_number: uint256): ...
+
+@external
+def increment() -> uint256: ...