fixed some tests

tests/accept/run/tcopy.nim

@@ -2,24 +2,24 @@ discard """
   file: "tcopy.nim"
   output: "TEMP=C:\\Programs\\xyz\\bin"
 """
-# tests the copy proc
-
-import
-  strutils
-
-proc main() =
-  const
-    example = r"TEMP=C:\Programs\xyz\bin"
-  var
-    a, b: string
-    p: int
-  p = find(example, "=")
-  a = copy(example, 0, p-1)
-  b = copy(example, p+1)
-  writeln(stdout, a & '=' & b)
-  #writeln(stdout, b)
-
-main()
-#OUT TEMP=C:\Programs\xyz\bin
+# tests the substr proc
+
+import
+  strutils
+
+proc main() =
+  const
+    example = r"TEMP=C:\Programs\xyz\bin"
+  var
+    a, b: string
+    p: int
+  p = find(example, "=")
+  a = substr(example, 0, p-1)
+  b = substr(example, p+1)
+  writeln(stdout, a & '=' & b)
+  #writeln(stdout, b)
+
+main()
+#OUT TEMP=C:\Programs\xyz\bin