fixes ci win

Author: jmgomez

tests/nimnimble/nim1.6.20/nim1620.nimble

@@ -13,4 +13,4 @@ requires "nim == 1.6.20"
 
 after build:
   let (output, _) = gorgeEx "./nim1620"
-  assert output == NimVersion 
+  assert output.strip == NimVersion 

tests/nimnimble/nim2.0.4/nim204.nimble

@@ -12,4 +12,4 @@ requires "nim == 2.0.4"
 
 after build:
   let (output, _) = gorgeEx "./nim204"
-  assert output == NimVersion 
+  assert output.strip == NimVersion 

tests/nimnimble/nimdevel/nimdevel.nimble

@@ -14,4 +14,4 @@ requires "nim#devel"
 
 after build:
   let (output, _) = gorgeEx "./nimdevel"
-  assert output == NimVersion 
+  assert output.strip == NimVersion