diff --git a/src/pip/_internal/operations/prepare.py b/src/pip/_internal/operations/prepare.py
index 3a671f4d4..dbb51f8b4 100644
--- a/src/pip/_internal/operations/prepare.py
+++ b/src/pip/_internal/operations/prepare.py
@@ -564,18 +564,17 @@ class RequirementPreparer:
         links_to_fully_download: Dict[Link, InstallRequirement] = {}
         for req in partially_downloaded_reqs:
             assert req.link
-            # (1) File URLs don't need to be downloaded, so skip them.
-            if req.link.scheme == "file":
-                continue
-            # (2) If this is e.g. a git url, we don't know how to handle that in the
+            # If this is e.g. a git url, we don't know how to handle that in the
             # BatchDownloader, so leave it for self._prepare_linked_requirement() at the
             # end of this method, which knows how to handle any URL.
+            can_simply_download = True
             try:
                 # This will raise InvalidSchema if our Session can't download it.
                 self._session.get_adapter(req.link.url)
-                links_to_fully_download[req.link] = req
             except InvalidSchema:
-                pass
+                can_simply_download = False
+            if can_simply_download:
+                links_to_fully_download[req.link] = req
 
         batch_download = self._batch_download(
             links_to_fully_download.keys(),
diff --git a/tests/functional/test_check.py b/tests/functional/test_check.py
index e2b1c60ef..a5715bb8c 100644
--- a/tests/functional/test_check.py
+++ b/tests/functional/test_check.py
@@ -119,7 +119,7 @@ def test_check_complicated_name_missing(script: PipTestEnvironment) -> None:
 
     # Without dependency
     result = script.pip("install", "--no-index", package_a_path, "--no-deps")
-    assert "Successfully installed package-A-1.0" in result.stdout, str(result)
+    assert "Successfully installed package-a-1.0" in result.stdout, str(result)
 
     result = script.pip("check", expect_error=True)
     expected_lines = ("package-a 1.0 requires dependency-b, which is not installed.",)
@@ -142,7 +142,7 @@ def test_check_complicated_name_broken(script: PipTestEnvironment) -> None:
 
     # With broken dependency
     result = script.pip("install", "--no-index", package_a_path, "--no-deps")
-    assert "Successfully installed package-A-1.0" in result.stdout, str(result)
+    assert "Successfully installed package-a-1.0" in result.stdout, str(result)
 
     result = script.pip(
         "install",
@@ -175,7 +175,7 @@ def test_check_complicated_name_clean(script: PipTestEnvironment) -> None:
     )
 
     result = script.pip("install", "--no-index", package_a_path, "--no-deps")
-    assert "Successfully installed package-A-1.0" in result.stdout, str(result)
+    assert "Successfully installed package-a-1.0" in result.stdout, str(result)
 
     result = script.pip(
         "install",
@@ -203,7 +203,7 @@ def test_check_considers_conditional_reqs(script: PipTestEnvironment) -> None:
     )
 
     result = script.pip("install", "--no-index", package_a_path, "--no-deps")
-    assert "Successfully installed package-A-1.0" in result.stdout, str(result)
+    assert "Successfully installed package-a-1.0" in result.stdout, str(result)
 
     result = script.pip("check", expect_error=True)
     expected_lines = ("package-a 1.0 requires dependency-b, which is not installed.",)
diff --git a/tests/functional/test_install.py b/tests/functional/test_install.py
index 161881419..eb02e7725 100644
--- a/tests/functional/test_install.py
+++ b/tests/functional/test_install.py
@@ -2071,7 +2071,7 @@ def test_install_conflict_results_in_warning(
 
     # Install pkgA without its dependency
     result1 = script.pip("install", "--no-index", pkgA_path, "--no-deps")
-    assert "Successfully installed pkgA-1.0" in result1.stdout, str(result1)
+    assert "Successfully installed pkga-1.0" in result1.stdout, str(result1)
 
     # Then install an incorrect version of the dependency
     result2 = script.pip(
@@ -2081,7 +2081,7 @@ def test_install_conflict_results_in_warning(
         allow_stderr_error=True,
     )
     assert "pkga 1.0 requires pkgb==1.0" in result2.stderr, str(result2)
-    assert "Successfully installed pkgB-2.0" in result2.stdout, str(result2)
+    assert "Successfully installed pkgb-2.0" in result2.stdout, str(result2)
 
 
 def test_install_conflict_warning_can_be_suppressed(
@@ -2101,11 +2101,11 @@ def test_install_conflict_warning_can_be_suppressed(
 
     # Install pkgA without its dependency
     result1 = script.pip("install", "--no-index", pkgA_path, "--no-deps")
-    assert "Successfully installed pkgA-1.0" in result1.stdout, str(result1)
+    assert "Successfully installed pkga-1.0" in result1.stdout, str(result1)
 
     # Then install an incorrect version of the dependency; suppressing warning
     result2 = script.pip("install", "--no-index", pkgB_path, "--no-warn-conflicts")
-    assert "Successfully installed pkgB-2.0" in result2.stdout, str(result2)
+    assert "Successfully installed pkgb-2.0" in result2.stdout, str(result2)
 
 
 def test_target_install_ignores_distutils_config_install_prefix(
diff --git a/tests/functional/test_install_check.py b/tests/functional/test_install_check.py
index 8a8a7c93a..d16165e03 100644
--- a/tests/functional/test_install_check.py
+++ b/tests/functional/test_install_check.py
@@ -28,7 +28,7 @@ def test_check_install_canonicalization(script: PipTestEnvironment) -> None:
 
     # Let's install pkgA without its dependency
     result = script.pip("install", "--no-index", pkga_path, "--no-deps")
-    assert "Successfully installed pkgA-1.0" in result.stdout, str(result)
+    assert "Successfully installed pkga-1.0" in result.stdout, str(result)
 
     # Install the first missing dependency. Only an error for the
     # second dependency should remain.
diff --git a/tests/functional/test_install_reqs.py b/tests/functional/test_install_reqs.py
index 96cff0dc5..00fe53edd 100644
--- a/tests/functional/test_install_reqs.py
+++ b/tests/functional/test_install_reqs.py
@@ -626,7 +626,7 @@ def test_install_distribution_full_union(
     result = script.pip_install_local(
         to_install, f"{to_install}[bar]", f"{to_install}[baz]"
     )
-    assert "Building wheel for LocalExtras" in result.stdout
+    assert "Building wheel for localextras" in result.stdout
     result.did_create(script.site_packages / "simple")
     result.did_create(script.site_packages / "singlemodule.py")
 
diff --git a/tests/functional/test_wheel.py b/tests/functional/test_wheel.py
index c0e279492..2c5c6e221 100644
--- a/tests/functional/test_wheel.py
+++ b/tests/functional/test_wheel.py
@@ -286,7 +286,7 @@ def test_wheel_package_with_latin1_setup(
 
     pkg_to_wheel = data.packages.joinpath("SetupPyLatin1")
     result = script.pip("wheel", pkg_to_wheel)
-    assert "Successfully built SetupPyUTF8" in result.stdout
+    assert "Successfully built setuppyutf8" in result.stdout
 
 
 def test_pip_wheel_with_pep518_build_reqs(