fixup! Relax deprecation message wording

lib/rspec/expectations/expectation_target.rb

@@ -114,7 +114,8 @@ def enforce_value_expectation(matcher)
         RSpec.deprecate(
           "expect(value).to #{RSpec::Support::ObjectFormatter.format(matcher)}",
           :message =>
-            "You must pass a block rather than an argument to `expect` to use the provided " \
+            "The implicit block expectation syntax is deprecated, you should pass " \
+            "a block rather than an argument to `expect` to use the provided " \
             "block expectation matcher (#{RSpec::Support::ObjectFormatter.format(matcher)}), " \
             "or the matcher must implement `supports_value_expectations?`."
         )

spec/support/shared_examples/block_matcher.rb

@@ -79,12 +79,20 @@
   end
 
   it 'prints a deprecation warning when given a value' do
-    expect_warn_deprecation(/You must pass a block/)
+    # NOTE: See #1233 for the explanation why
+    #     expect_warn_deprecation(/The implicit block expectation syntax is deprecated, you should pass/)
+    # can't be used.
+    expect(RSpec.configuration.reporter).
+      to receive(:deprecation).with(include(message: match(/The implicit block expectation syntax is deprecated, you should pass/)))
+
     expect { expect(3).to matcher }.to fail
   end unless options[:skip_deprecation_check] || options[:expects_lambda]
 
   it 'prints a deprecation warning when given a value and negated' do
-    expect_warn_deprecation(/You must pass a block/)
+    # NOTE: See #1233 for the explanation why `expect_warn_deprecation` can't be used
+    expect(RSpec.configuration.reporter).
+      to receive(:deprecation).with(include(message: match(/The implicit block expectation syntax is deprecated, you should pass/)))
+
     expect { expect(3).not_to matcher }.to fail
   end unless options[:disallows_negation] || options[:expects_lambda]