test suite: rename tests containing 'fail' for easier search in logs

tests/assert/tassert_c.nim

@@ -0,0 +1,39 @@
+discard """
+  cmd: "nim $target $options --excessiveStackTrace:off $file"
+  output: '''true'''
+"""
+
+const expected = """
+tassert_c.nim(35)        tassert_c
+tassert_c.nim(34)        foo
+assertions.nim(27)       failedAssertImpl
+assertions.nim(20)       raiseAssert
+fatal.nim(39)            sysFatal"""
+
+proc tmatch(x, p: string): bool =
+  var i = 0
+  var k = 0
+  while i < p.len:
+    if p[i] == '*':
+      let oldk = k
+      while k < x.len and x[k] in {'0'..'9'}: inc k
+      # no digit skipped?
+      if oldk == k: return false
+      inc i
+    elif k < x.len and p[i] == x[k]:
+      inc i
+      inc k
+    else:
+      return false
+  while k < x.len and x[k] in {' ', '\L', '\C'}: inc k
+  result = i >= p.len and k >= x.len
+
+
+try:
+  proc foo() =
+    assert(false)
+  foo()
+except AssertionError:
+  let e = getCurrentException()
+  let trace = e.getStackTrace
+  echo tmatch(trace, expected)